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Finding the Fourth Proportional to 372.71, 514.36 and 240.01

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Solution

The fourth proportional to 372.71, 514.36 and 240.01 is: 331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.71 : 514.36 = 240.01 : x
  2. Step 2: Convert to fraction form
    372.71/514.36 = 240.01/x
  3. Step 3: Cross multiply
    372.71x = 514.36 × 240.01
  4. Step 4: Simplify right side
    372.71x = 123,451.54
  5. Step 5: Solve for x
    x = 123,451.54/372.71
  6. Step 6: Final answer
    x = 331.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.