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Finding the Fourth Proportional to 232.42, 348.42 and 151.30

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Solution

The fourth proportional to 232.42, 348.42 and 151.30 is: 226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.42 : 348.42 = 151.30 : x
  2. Step 2: Convert to fraction form
    232.42/348.42 = 151.30/x
  3. Step 3: Cross multiply
    232.42x = 348.42 × 151.30
  4. Step 4: Simplify right side
    232.42x = 52,715.95
  5. Step 5: Solve for x
    x = 52,715.95/232.42
  6. Step 6: Final answer
    x = 226.81

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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.