Proportional Relationships A proportional relationship is 1 by which two quantities differ straight with each other. We say the variable y varies directly as x if: y = k x for some continual k , known as the continuous of proportionality . (Some textbooks explain a proportional relationship by expressing https://explorebookmarks.com/story13613563/proportional-and-nonproportional-relationships-worksheet-7th-grade-fundamentals-explained