Finding the Fourth Proportional to 461.99, 637.57 and 252.18
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Solution
The fourth proportional to 461.99, 637.57 and 252.18 is: 348.02
Step by Step Solution
- Step 1: Write the proportion equation
461.99 : 637.57 = 252.18 : x - Step 2: Convert to fraction form
461.99/637.57 = 252.18/x - Step 3: Cross multiply
461.99x = 637.57 × 252.18 - Step 4: Simplify right side
461.99x = 160,781.14 - Step 5: Solve for x
x = 160,781.14/461.99 - Step 6: Final answer
x = 348.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.