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Finding the Fourth Proportional to 376.08, 518.79 and 244.95

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Solution

The fourth proportional to 376.08, 518.79 and 244.95 is: 337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.08 : 518.79 = 244.95 : x
  2. Step 2: Convert to fraction form
    376.08/518.79 = 244.95/x
  3. Step 3: Cross multiply
    376.08x = 518.79 × 244.95
  4. Step 4: Simplify right side
    376.08x = 127,077.61
  5. Step 5: Solve for x
    x = 127,077.61/376.08
  6. Step 6: Final answer
    x = 337.90

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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.