Module 1 · Arithmetic
Chapter 3: Ratio & Proportion
Arithmetic
5 topics
🎯 1 practice questions
What this chapter covers
The 5 topics below make up Ratio & Proportion on the CAT. Work through them in order — each one builds toward the SAT-style questions in this chapter's bank.
1Basic & Compound Ratio
2Continued Ratio
3Proportion
4Direct & Inverse Variation
5Mean & Third Proportion
Study material & tests
📚 Concept notes
Worked explanations & SAT examples for every topic above.
Coming soon
🎯 Topic practice
1 SAT-style questions authored — wiring into the live test engine next.
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📝 Chapter test
Timed, mixed-difficulty test with instant analysis.
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Formula Reference Sheet
CAT reference
🖩 Graphing Calculator