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Finding the Fourth Proportional to 377.24, 519.28 and 327.92

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Solution

The fourth proportional to 377.24, 519.28 and 327.92 is: 451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.24 : 519.28 = 327.92 : x
  2. Step 2: Convert to fraction form
    377.24/519.28 = 327.92/x
  3. Step 3: Cross multiply
    377.24x = 519.28 × 327.92
  4. Step 4: Simplify right side
    377.24x = 170,282.30
  5. Step 5: Solve for x
    x = 170,282.30/377.24
  6. Step 6: Final answer
    x = 451.39

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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.