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Finding the Fourth Proportional to 232.66, 348.58 and 171.91

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Solution

The fourth proportional to 232.66, 348.58 and 171.91 is: 257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.66 : 348.58 = 171.91 : x
  2. Step 2: Convert to fraction form
    232.66/348.58 = 171.91/x
  3. Step 3: Cross multiply
    232.66x = 348.58 × 171.91
  4. Step 4: Simplify right side
    232.66x = 59,924.39
  5. Step 5: Solve for x
    x = 59,924.39/232.66
  6. Step 6: Final answer
    x = 257.56

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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.