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Finding the Fourth Proportional to 249.24, 375.90 and 246.51

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Solution

The fourth proportional to 249.24, 375.90 and 246.51 is: 371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.24 : 375.90 = 246.51 : x
  2. Step 2: Convert to fraction form
    249.24/375.90 = 246.51/x
  3. Step 3: Cross multiply
    249.24x = 375.90 × 246.51
  4. Step 4: Simplify right side
    249.24x = 92,663.11
  5. Step 5: Solve for x
    x = 92,663.11/249.24
  6. Step 6: Final answer
    x = 371.78

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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.