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Finding the Fourth Proportional to 376.24, 563.87 and 327.28

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Solution

The fourth proportional to 376.24, 563.87 and 327.28 is: 490.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.24 : 563.87 = 327.28 : x
  2. Step 2: Convert to fraction form
    376.24/563.87 = 327.28/x
  3. Step 3: Cross multiply
    376.24x = 563.87 × 327.28
  4. Step 4: Simplify right side
    376.24x = 184,545.60
  5. Step 5: Solve for x
    x = 184,545.60/376.24
  6. Step 6: Final answer
    x = 490.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.