Finding the Third Proportional to 398 and 602
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Solution
The third proportional to 398 and 602 is: 910.56
Step by Step Solution
- Step 1: Write the proportion equation
398 : 602 = 602 : x - Step 2: Convert to fraction form
398/602 = 602/x - Step 3: Cross multiply
398x = 602 × 602 - Step 4: Simplify right side
398x = 362,404 - Step 5: Solve for x
x = 362,404/398 - Step 6: Final answer
x = 910.56
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.