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Finding the Fourth Proportional to 244.86, 338.08 and 198.44

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Solution

The fourth proportional to 244.86, 338.08 and 198.44 is: 273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.86 : 338.08 = 198.44 : x
  2. Step 2: Convert to fraction form
    244.86/338.08 = 198.44/x
  3. Step 3: Cross multiply
    244.86x = 338.08 × 198.44
  4. Step 4: Simplify right side
    244.86x = 67,087.68
  5. Step 5: Solve for x
    x = 67,087.68/244.86
  6. Step 6: Final answer
    x = 273.98

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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.