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Finding the Fourth Proportional to 250.42, 372.77 and 249.22

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Solution

The fourth proportional to 250.42, 372.77 and 249.22 is: 370.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.42 : 372.77 = 249.22 : x
  2. Step 2: Convert to fraction form
    250.42/372.77 = 249.22/x
  3. Step 3: Cross multiply
    250.42x = 372.77 × 249.22
  4. Step 4: Simplify right side
    250.42x = 92,901.74
  5. Step 5: Solve for x
    x = 92,901.74/250.42
  6. Step 6: Final answer
    x = 370.98

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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.