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Finding the Fourth Proportional to 376.38, 560.82 and 335.48

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Solution

The fourth proportional to 376.38, 560.82 and 335.48 is: 499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.38 : 560.82 = 335.48 : x
  2. Step 2: Convert to fraction form
    376.38/560.82 = 335.48/x
  3. Step 3: Cross multiply
    376.38x = 560.82 × 335.48
  4. Step 4: Simplify right side
    376.38x = 188,143.89
  5. Step 5: Solve for x
    x = 188,143.89/376.38
  6. Step 6: Final answer
    x = 499.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.