### Definition of Proportional

1. Noun. One of the quantities in a mathematical proportion.

Generic synonyms: Quantity
Group relationships: Proportion

2. Adjective. Properly related in size or degree or other measurable characteristics; usually followed by 'to'. "Earnings relative to production"
Exact synonyms: Relative
Similar to: Proportionate
Derivative terms: Relativity

3. Adjective. Having a constant ratio.
Similar to: Proportionate
Derivative terms: Proportionality

### Definition of Proportional

1. a. Having a due proportion, or comparative relation; being in suitable proportion or degree; as, the parts of an edifice are proportional.

2. n. Any number or quantity in a proportion; as, a mean proportional.

### Definition of Proportional

1. Adjective. At a constant ratio (to). Two magnitudes (numbers) are said to be proportional if the second varies in a direct relation arithmetically to the first. ¹

2. Adjective. In proportion (to), proportionate. More common in US than UK. ¹

¹ Source: wiktionary.com

1. [n -S]

### Lexicographical Neighbors of Proportional

 propogatespropogatingpropolispropolisesproponeproponedproponencyproponentproponentspropones proponingproportproportionproportionableproportionablyproportionalproportional analogyproportional counterproportional counter tubeproportional font proportional representationproportional sampleproportional samplingproportionalitiesproportionalityproportionallyproportionalsproportionateproportionatedproportionately

### Literary usage of Proportional

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Arena by Harry Houdini Collection (Library of Congress) (1908)
"There is to be a debate between these two colleges on Proportional ... Copies of the League's Proportional Representation literature have been supplied to ..."

2. The Nineteenth Century (1884)
"If then proportional representation is an end and not a means of attaining an end, ... This is what is intended by the phrase ' Proportional Representation. ..."

3. The Mathematical Principles of Natural Philosophy by Isaac Newton, William Emerson, John Machin (1803)
"For if the lines SA, SE, SQ are continually proportional, the areas ... of the proportional hyperbolic areas, will obtain the fame order in another feries ..."

4. The Encyclopedia Americana: A Library of Universal Knowledge (1919)
"Change of motion is proportional to the moving force applied, and takes place in the direction of the straight line in which the force acts. straight line, ..."

5. The Theory of Sound by John William Strutt Rayleigh (1894)
"In the former case the deformation may be called extensional, and its potential energy is proportional to the thickness of the shell, which will be denoted ..."

6. Differential and Integral Calculus by Clyde Elton Love (1916)
"ie the acceleration is proportional to the displacement, and is always directed opposite to it. 230. Attraction proportional to the distance. ..."

7. Readers' Guide to Periodical Literature by Anna Lorraine Guthrie, Marion A. Knight, H.W. Wilson Company, Estella E. Painter (1920)
"See Atonement Proportional representation Ash tabula plan—the latest step in ... Nat Munie R 5:56-65 Ja '16 Case against proportional representation. ..."