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Finding the Fourth Proportional to 441.84, 610.48 and 371.92

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Solution

The fourth proportional to 441.84, 610.48 and 371.92 is: 513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.84 : 610.48 = 371.92 : x
  2. Step 2: Convert to fraction form
    441.84/610.48 = 371.92/x
  3. Step 3: Cross multiply
    441.84x = 610.48 × 371.92
  4. Step 4: Simplify right side
    441.84x = 227,049.72
  5. Step 5: Solve for x
    x = 227,049.72/441.84
  6. Step 6: Final answer
    x = 513.87

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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.