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Finding the Fourth Proportional to 224.93, 337.19 and 147.78

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Solution

The fourth proportional to 224.93, 337.19 and 147.78 is: 221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.93 : 337.19 = 147.78 : x
  2. Step 2: Convert to fraction form
    224.93/337.19 = 147.78/x
  3. Step 3: Cross multiply
    224.93x = 337.19 × 147.78
  4. Step 4: Simplify right side
    224.93x = 49,829.20
  5. Step 5: Solve for x
    x = 49,829.20/224.93
  6. Step 6: Final answer
    x = 221.54

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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.