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Finding the Fourth Proportional to 224.97, 337.42 and 115.35

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Solution

The fourth proportional to 224.97, 337.42 and 115.35 is: 173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.97 : 337.42 = 115.35 : x
  2. Step 2: Convert to fraction form
    224.97/337.42 = 115.35/x
  3. Step 3: Cross multiply
    224.97x = 337.42 × 115.35
  4. Step 4: Simplify right side
    224.97x = 38,921.40
  5. Step 5: Solve for x
    x = 38,921.40/224.97
  6. Step 6: Final answer
    x = 173.01

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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.