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Finding the Fourth Proportional to 376.10, 520.02 and 329.97

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Solution

The fourth proportional to 376.10, 520.02 and 329.97 is: 456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.10 : 520.02 = 329.97 : x
  2. Step 2: Convert to fraction form
    376.10/520.02 = 329.97/x
  3. Step 3: Cross multiply
    376.10x = 520.02 × 329.97
  4. Step 4: Simplify right side
    376.10x = 171,591.00
  5. Step 5: Solve for x
    x = 171,591.00/376.10
  6. Step 6: Final answer
    x = 456.24

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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.