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Finding the Fourth Proportional to 224.60, 337.38 and 216.50

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Solution

The fourth proportional to 224.60, 337.38 and 216.50 is: 325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.60 : 337.38 = 216.50 : x
  2. Step 2: Convert to fraction form
    224.60/337.38 = 216.50/x
  3. Step 3: Cross multiply
    224.60x = 337.38 × 216.50
  4. Step 4: Simplify right side
    224.60x = 73,042.77
  5. Step 5: Solve for x
    x = 73,042.77/224.60
  6. Step 6: Final answer
    x = 325.21

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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.