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Finding the Fourth Proportional to 232.97, 348.87 and 155.82

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Solution

The fourth proportional to 232.97, 348.87 and 155.82 is: 233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.97 : 348.87 = 155.82 : x
  2. Step 2: Convert to fraction form
    232.97/348.87 = 155.82/x
  3. Step 3: Cross multiply
    232.97x = 348.87 × 155.82
  4. Step 4: Simplify right side
    232.97x = 54,360.92
  5. Step 5: Solve for x
    x = 54,360.92/232.97
  6. Step 6: Final answer
    x = 233.34

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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.