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Finding the Fourth Proportional to 363.52, 543.78 and 233.32

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Solution

The fourth proportional to 363.52, 543.78 and 233.32 is: 349.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.52 : 543.78 = 233.32 : x
  2. Step 2: Convert to fraction form
    363.52/543.78 = 233.32/x
  3. Step 3: Cross multiply
    363.52x = 543.78 × 233.32
  4. Step 4: Simplify right side
    363.52x = 126,874.75
  5. Step 5: Solve for x
    x = 126,874.75/363.52
  6. Step 6: Final answer
    x = 349.02

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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.