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Finding the Fourth Proportional to 235.91, 351.39 and 232.71

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Solution

The fourth proportional to 235.91, 351.39 and 232.71 is: 346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.91 : 351.39 = 232.71 : x
  2. Step 2: Convert to fraction form
    235.91/351.39 = 232.71/x
  3. Step 3: Cross multiply
    235.91x = 351.39 × 232.71
  4. Step 4: Simplify right side
    235.91x = 81,770.80
  5. Step 5: Solve for x
    x = 81,770.80/235.91
  6. Step 6: Final answer
    x = 346.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.