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Finding the Fourth Proportional to 249.18, 344.03 and 232.75

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Solution

The fourth proportional to 249.18, 344.03 and 232.75 is: 321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.18 : 344.03 = 232.75 : x
  2. Step 2: Convert to fraction form
    249.18/344.03 = 232.75/x
  3. Step 3: Cross multiply
    249.18x = 344.03 × 232.75
  4. Step 4: Simplify right side
    249.18x = 80,072.98
  5. Step 5: Solve for x
    x = 80,072.98/249.18
  6. Step 6: Final answer
    x = 321.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.