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Finding the Fourth Proportional to 363.52, 545.20 and 171.04

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Solution

The fourth proportional to 363.52, 545.20 and 171.04 is: 256.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.52 : 545.20 = 171.04 : x
  2. Step 2: Convert to fraction form
    363.52/545.20 = 171.04/x
  3. Step 3: Cross multiply
    363.52x = 545.20 × 171.04
  4. Step 4: Simplify right side
    363.52x = 93,251.01
  5. Step 5: Solve for x
    x = 93,251.01/363.52
  6. Step 6: Final answer
    x = 256.52

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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.