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Finding the Fourth Proportional to 657.97, 908 and 363.24

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Solution

The fourth proportional to 657.97, 908 and 363.24 is: 501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    657.97 : 908 = 363.24 : x
  2. Step 2: Convert to fraction form
    657.97/908 = 363.24/x
  3. Step 3: Cross multiply
    657.97x = 908 × 363.24
  4. Step 4: Simplify right side
    657.97x = 329,821.92
  5. Step 5: Solve for x
    x = 329,821.92/657.97
  6. Step 6: Final answer
    x = 501.27

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.