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Finding the Fourth Proportional to 270.91, 371.90 and 249.04

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Solution

The fourth proportional to 270.91, 371.90 and 249.04 is: 341.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.91 : 371.90 = 249.04 : x
  2. Step 2: Convert to fraction form
    270.91/371.90 = 249.04/x
  3. Step 3: Cross multiply
    270.91x = 371.90 × 249.04
  4. Step 4: Simplify right side
    270.91x = 92,617.98
  5. Step 5: Solve for x
    x = 92,617.98/270.91
  6. Step 6: Final answer
    x = 341.88

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.