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Finding the Fourth Proportional to 224.42, 337.98 and 170.69

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Solution

The fourth proportional to 224.42, 337.98 and 170.69 is: 257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.42 : 337.98 = 170.69 : x
  2. Step 2: Convert to fraction form
    224.42/337.98 = 170.69/x
  3. Step 3: Cross multiply
    224.42x = 337.98 × 170.69
  4. Step 4: Simplify right side
    224.42x = 57,689.81
  5. Step 5: Solve for x
    x = 57,689.81/224.42
  6. Step 6: Final answer
    x = 257.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.