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Finding the Fourth Proportional to 249.48, 374.22 and 201.29

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Solution

The fourth proportional to 249.48, 374.22 and 201.29 is: 301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.48 : 374.22 = 201.29 : x
  2. Step 2: Convert to fraction form
    249.48/374.22 = 201.29/x
  3. Step 3: Cross multiply
    249.48x = 374.22 × 201.29
  4. Step 4: Simplify right side
    249.48x = 75,324.87
  5. Step 5: Solve for x
    x = 75,324.87/249.48
  6. Step 6: Final answer
    x = 301.93

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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.