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Finding the Fourth Proportional to 249.55, 376.50 and 248.87

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Solution

The fourth proportional to 249.55, 376.50 and 248.87 is: 375.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.55 : 376.50 = 248.87 : x
  2. Step 2: Convert to fraction form
    249.55/376.50 = 248.87/x
  3. Step 3: Cross multiply
    249.55x = 376.50 × 248.87
  4. Step 4: Simplify right side
    249.55x = 93,700.03
  5. Step 5: Solve for x
    x = 93,700.03/249.55
  6. Step 6: Final answer
    x = 375.48

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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.