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Finding the Fourth Proportional to 376.00, 517.49 and 329.49

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Solution

The fourth proportional to 376.00, 517.49 and 329.49 is: 453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.00 : 517.49 = 329.49 : x
  2. Step 2: Convert to fraction form
    376.00/517.49 = 329.49/x
  3. Step 3: Cross multiply
    376.00x = 517.49 × 329.49
  4. Step 4: Simplify right side
    376.00x = 170,507.37
  5. Step 5: Solve for x
    x = 170,507.37/376.00
  6. Step 6: Final answer
    x = 453.48

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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.