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Finding the Fourth Proportional to 532.54, 735.24 and 407.97

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Solution

The fourth proportional to 532.54, 735.24 and 407.97 is: 563.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.54 : 735.24 = 407.97 : x
  2. Step 2: Convert to fraction form
    532.54/735.24 = 407.97/x
  3. Step 3: Cross multiply
    532.54x = 735.24 × 407.97
  4. Step 4: Simplify right side
    532.54x = 299,957.39
  5. Step 5: Solve for x
    x = 299,957.39/532.54
  6. Step 6: Final answer
    x = 563.26

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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.