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Finding the Fourth Proportional to 224.96, 337.46 and 170.91

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Solution

The fourth proportional to 224.96, 337.46 and 170.91 is: 256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.96 : 337.46 = 170.91 : x
  2. Step 2: Convert to fraction form
    224.96/337.46 = 170.91/x
  3. Step 3: Cross multiply
    224.96x = 337.46 × 170.91
  4. Step 4: Simplify right side
    224.96x = 57,674.43
  5. Step 5: Solve for x
    x = 57,674.43/224.96
  6. Step 6: Final answer
    x = 256.38

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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.