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Finding the Fourth Proportional to 249.32, 341.56 and 240.09

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Solution

The fourth proportional to 249.32, 341.56 and 240.09 is: 328.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.32 : 341.56 = 240.09 : x
  2. Step 2: Convert to fraction form
    249.32/341.56 = 240.09/x
  3. Step 3: Cross multiply
    249.32x = 341.56 × 240.09
  4. Step 4: Simplify right side
    249.32x = 82,005.14
  5. Step 5: Solve for x
    x = 82,005.14/249.32
  6. Step 6: Final answer
    x = 328.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.