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Finding the Fourth Proportional to 197.59, 296.38 and 94.85

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Solution

The fourth proportional to 197.59, 296.38 and 94.85 is: 142.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.59 : 296.38 = 94.85 : x
  2. Step 2: Convert to fraction form
    197.59/296.38 = 94.85/x
  3. Step 3: Cross multiply
    197.59x = 296.38 × 94.85
  4. Step 4: Simplify right side
    197.59x = 28,111.64
  5. Step 5: Solve for x
    x = 28,111.64/197.59
  6. Step 6: Final answer
    x = 142.27

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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.