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Finding the Fourth Proportional to 354.52, 531.51 and 337.17

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Solution

The fourth proportional to 354.52, 531.51 and 337.17 is: 505.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.52 : 531.51 = 337.17 : x
  2. Step 2: Convert to fraction form
    354.52/531.51 = 337.17/x
  3. Step 3: Cross multiply
    354.52x = 531.51 × 337.17
  4. Step 4: Simplify right side
    354.52x = 179,209.23
  5. Step 5: Solve for x
    x = 179,209.23/354.52
  6. Step 6: Final answer
    x = 505.50

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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.