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Finding the Fourth Proportional to 622.48, 932.73 and 329.97

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Solution

The fourth proportional to 622.48, 932.73 and 329.97 is: 494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.48 : 932.73 = 329.97 : x
  2. Step 2: Convert to fraction form
    622.48/932.73 = 329.97/x
  3. Step 3: Cross multiply
    622.48x = 932.73 × 329.97
  4. Step 4: Simplify right side
    622.48x = 307,772.92
  5. Step 5: Solve for x
    x = 307,772.92/622.48
  6. Step 6: Final answer
    x = 494.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.