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Finding the Fourth Proportional to 249.59, 372.43 and 223.63

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Solution

The fourth proportional to 249.59, 372.43 and 223.63 is: 333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.59 : 372.43 = 223.63 : x
  2. Step 2: Convert to fraction form
    249.59/372.43 = 223.63/x
  3. Step 3: Cross multiply
    249.59x = 372.43 × 223.63
  4. Step 4: Simplify right side
    249.59x = 83,286.52
  5. Step 5: Solve for x
    x = 83,286.52/249.59
  6. Step 6: Final answer
    x = 333.69

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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.