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Finding the Fourth Proportional to 249.47, 375.54 and 227.15

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Solution

The fourth proportional to 249.47, 375.54 and 227.15 is: 341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.47 : 375.54 = 227.15 : x
  2. Step 2: Convert to fraction form
    249.47/375.54 = 227.15/x
  3. Step 3: Cross multiply
    249.47x = 375.54 × 227.15
  4. Step 4: Simplify right side
    249.47x = 85,303.91
  5. Step 5: Solve for x
    x = 85,303.91/249.47
  6. Step 6: Final answer
    x = 341.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.