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Finding the Fourth Proportional to 244.46, 366.74 and 82.11

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Solution

The fourth proportional to 244.46, 366.74 and 82.11 is: 123.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.46 : 366.74 = 82.11 : x
  2. Step 2: Convert to fraction form
    244.46/366.74 = 82.11/x
  3. Step 3: Cross multiply
    244.46x = 366.74 × 82.11
  4. Step 4: Simplify right side
    244.46x = 30,112.09
  5. Step 5: Solve for x
    x = 30,112.09/244.46
  6. Step 6: Final answer
    x = 123.18

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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.