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Finding the Fourth Proportional to 376.62, 568.07 and 331.53

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Solution

The fourth proportional to 376.62, 568.07 and 331.53 is: 500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.62 : 568.07 = 331.53 : x
  2. Step 2: Convert to fraction form
    376.62/568.07 = 331.53/x
  3. Step 3: Cross multiply
    376.62x = 568.07 × 331.53
  4. Step 4: Simplify right side
    376.62x = 188,330.59
  5. Step 5: Solve for x
    x = 188,330.59/376.62
  6. Step 6: Final answer
    x = 500.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.