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Finding the Fourth Proportional to 249.54, 371.50 and 248.34

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Solution

The fourth proportional to 249.54, 371.50 and 248.34 is: 369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.54 : 371.50 = 248.34 : x
  2. Step 2: Convert to fraction form
    249.54/371.50 = 248.34/x
  3. Step 3: Cross multiply
    249.54x = 371.50 × 248.34
  4. Step 4: Simplify right side
    249.54x = 92,258.31
  5. Step 5: Solve for x
    x = 92,258.31/249.54
  6. Step 6: Final answer
    x = 369.71

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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.