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Finding the Fourth Proportional to 532.04, 733.38 and 487.40

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Solution

The fourth proportional to 532.04, 733.38 and 487.40 is: 671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.04 : 733.38 = 487.40 : x
  2. Step 2: Convert to fraction form
    532.04/733.38 = 487.40/x
  3. Step 3: Cross multiply
    532.04x = 733.38 × 487.40
  4. Step 4: Simplify right side
    532.04x = 357,449.41
  5. Step 5: Solve for x
    x = 357,449.41/532.04
  6. Step 6: Final answer
    x = 671.85

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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.