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Finding the Fourth Proportional to 224.28, 335.97 and 169.53

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Solution

The fourth proportional to 224.28, 335.97 and 169.53 is: 253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.28 : 335.97 = 169.53 : x
  2. Step 2: Convert to fraction form
    224.28/335.97 = 169.53/x
  3. Step 3: Cross multiply
    224.28x = 335.97 × 169.53
  4. Step 4: Simplify right side
    224.28x = 56,956.99
  5. Step 5: Solve for x
    x = 56,956.99/224.28
  6. Step 6: Final answer
    x = 253.95

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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.