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Finding the Fourth Proportional to 244.49, 366.62 and 98.12

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Solution

The fourth proportional to 244.49, 366.62 and 98.12 is: 147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.49 : 366.62 = 98.12 : x
  2. Step 2: Convert to fraction form
    244.49/366.62 = 98.12/x
  3. Step 3: Cross multiply
    244.49x = 366.62 × 98.12
  4. Step 4: Simplify right side
    244.49x = 35,971.86
  5. Step 5: Solve for x
    x = 35,971.86/244.49
  6. Step 6: Final answer
    x = 147.13

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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.