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Finding the Fourth Proportional to 232.38, 348.63 and 171.36

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Solution

The fourth proportional to 232.38, 348.63 and 171.36 is: 257.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.38 : 348.63 = 171.36 : x
  2. Step 2: Convert to fraction form
    232.38/348.63 = 171.36/x
  3. Step 3: Cross multiply
    232.38x = 348.63 × 171.36
  4. Step 4: Simplify right side
    232.38x = 59,741.24
  5. Step 5: Solve for x
    x = 59,741.24/232.38
  6. Step 6: Final answer
    x = 257.08

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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.