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Finding the Fourth Proportional to 372.32, 514.01 and 248.29

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Solution

The fourth proportional to 372.32, 514.01 and 248.29 is: 342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.32 : 514.01 = 248.29 : x
  2. Step 2: Convert to fraction form
    372.32/514.01 = 248.29/x
  3. Step 3: Cross multiply
    372.32x = 514.01 × 248.29
  4. Step 4: Simplify right side
    372.32x = 127,622.88
  5. Step 5: Solve for x
    x = 127,622.88/372.32
  6. Step 6: Final answer
    x = 342.78

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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.