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Finding the Fourth Proportional to 198.44, 297.50 and 94.33

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Solution

The fourth proportional to 198.44, 297.50 and 94.33 is: 141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.44 : 297.50 = 94.33 : x
  2. Step 2: Convert to fraction form
    198.44/297.50 = 94.33/x
  3. Step 3: Cross multiply
    198.44x = 297.50 × 94.33
  4. Step 4: Simplify right side
    198.44x = 28,061.69
  5. Step 5: Solve for x
    x = 28,061.69/198.44
  6. Step 6: Final answer
    x = 141.42

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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.