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Finding the Fourth Proportional to 224.60, 337.09 and 109.13

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Solution

The fourth proportional to 224.60, 337.09 and 109.13 is: 163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.60 : 337.09 = 109.13 : x
  2. Step 2: Convert to fraction form
    224.60/337.09 = 109.13/x
  3. Step 3: Cross multiply
    224.60x = 337.09 × 109.13
  4. Step 4: Simplify right side
    224.60x = 36,784.88
  5. Step 5: Solve for x
    x = 36,784.88/224.60
  6. Step 6: Final answer
    x = 163.78

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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.