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Finding the Fourth Proportional to 249.64, 372.32 and 240.93

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Solution

The fourth proportional to 249.64, 372.32 and 240.93 is: 359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.64 : 372.32 = 240.93 : x
  2. Step 2: Convert to fraction form
    249.64/372.32 = 240.93/x
  3. Step 3: Cross multiply
    249.64x = 372.32 × 240.93
  4. Step 4: Simplify right side
    249.64x = 89,702.13
  5. Step 5: Solve for x
    x = 89,702.13/249.64
  6. Step 6: Final answer
    x = 359.33

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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.