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Finding the Fourth Proportional to 224.88, 337.26 and 147.84

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Solution

The fourth proportional to 224.88, 337.26 and 147.84 is: 221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.88 : 337.26 = 147.84 : x
  2. Step 2: Convert to fraction form
    224.88/337.26 = 147.84/x
  3. Step 3: Cross multiply
    224.88x = 337.26 × 147.84
  4. Step 4: Simplify right side
    224.88x = 49,860.52
  5. Step 5: Solve for x
    x = 49,860.52/224.88
  6. Step 6: Final answer
    x = 221.72

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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.