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Finding the Fourth Proportional to 224.67, 335.04 and 212.52

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Solution

The fourth proportional to 224.67, 335.04 and 212.52 is: 316.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.67 : 335.04 = 212.52 : x
  2. Step 2: Convert to fraction form
    224.67/335.04 = 212.52/x
  3. Step 3: Cross multiply
    224.67x = 335.04 × 212.52
  4. Step 4: Simplify right side
    224.67x = 71,202.70
  5. Step 5: Solve for x
    x = 71,202.70/224.67
  6. Step 6: Final answer
    x = 316.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.