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Finding the Fourth Proportional to 249.71, 374.03 and 158.18

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Solution

The fourth proportional to 249.71, 374.03 and 158.18 is: 236.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.71 : 374.03 = 158.18 : x
  2. Step 2: Convert to fraction form
    249.71/374.03 = 158.18/x
  3. Step 3: Cross multiply
    249.71x = 374.03 × 158.18
  4. Step 4: Simplify right side
    249.71x = 59,163.27
  5. Step 5: Solve for x
    x = 59,163.27/249.71
  6. Step 6: Final answer
    x = 236.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.