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Finding the Fourth Proportional to 232.77, 348.69 and 159.47

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Solution

The fourth proportional to 232.77, 348.69 and 159.47 is: 238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.77 : 348.69 = 159.47 : x
  2. Step 2: Convert to fraction form
    232.77/348.69 = 159.47/x
  3. Step 3: Cross multiply
    232.77x = 348.69 × 159.47
  4. Step 4: Simplify right side
    232.77x = 55,603.85
  5. Step 5: Solve for x
    x = 55,603.85/232.77
  6. Step 6: Final answer
    x = 238.88

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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.