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Finding the Fourth Proportional to 376.13, 516.29 and 333.75

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Solution

The fourth proportional to 376.13, 516.29 and 333.75 is: 458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.13 : 516.29 = 333.75 : x
  2. Step 2: Convert to fraction form
    376.13/516.29 = 333.75/x
  3. Step 3: Cross multiply
    376.13x = 516.29 × 333.75
  4. Step 4: Simplify right side
    376.13x = 172,311.79
  5. Step 5: Solve for x
    x = 172,311.79/376.13
  6. Step 6: Final answer
    x = 458.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.