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Finding the Fourth Proportional to 249.82, 372.09 and 236.81

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Solution

The fourth proportional to 249.82, 372.09 and 236.81 is: 352.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.82 : 372.09 = 236.81 : x
  2. Step 2: Convert to fraction form
    249.82/372.09 = 236.81/x
  3. Step 3: Cross multiply
    249.82x = 372.09 × 236.81
  4. Step 4: Simplify right side
    249.82x = 88,115.56
  5. Step 5: Solve for x
    x = 88,115.56/249.82
  6. Step 6: Final answer
    x = 352.72

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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.