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Finding the Fourth Proportional to 249.14, 371.12 and 235.46

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Solution

The fourth proportional to 249.14, 371.12 and 235.46 is: 350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.14 : 371.12 = 235.46 : x
  2. Step 2: Convert to fraction form
    249.14/371.12 = 235.46/x
  3. Step 3: Cross multiply
    249.14x = 371.12 × 235.46
  4. Step 4: Simplify right side
    249.14x = 87,383.92
  5. Step 5: Solve for x
    x = 87,383.92/249.14
  6. Step 6: Final answer
    x = 350.74

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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.