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Finding the Fourth Proportional to 376.13, 519.72 and 325.95

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Solution

The fourth proportional to 376.13, 519.72 and 325.95 is: 450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.13 : 519.72 = 325.95 : x
  2. Step 2: Convert to fraction form
    376.13/519.72 = 325.95/x
  3. Step 3: Cross multiply
    376.13x = 519.72 × 325.95
  4. Step 4: Simplify right side
    376.13x = 169,401.02
  5. Step 5: Solve for x
    x = 169,401.02/376.13
  6. Step 6: Final answer
    x = 450.38

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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.