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Finding the Fourth Proportional to 372.41, 514.14 and 248.28

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Solution

The fourth proportional to 372.41, 514.14 and 248.28 is: 342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.41 : 514.14 = 248.28 : x
  2. Step 2: Convert to fraction form
    372.41/514.14 = 248.28/x
  3. Step 3: Cross multiply
    372.41x = 514.14 × 248.28
  4. Step 4: Simplify right side
    372.41x = 127,647.82
  5. Step 5: Solve for x
    x = 127,647.82/372.41
  6. Step 6: Final answer
    x = 342.76

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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.