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Finding the Fourth Proportional to 197.46, 296.19 and 110.79

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Solution

The fourth proportional to 197.46, 296.19 and 110.79 is: 166.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.46 : 296.19 = 110.79 : x
  2. Step 2: Convert to fraction form
    197.46/296.19 = 110.79/x
  3. Step 3: Cross multiply
    197.46x = 296.19 × 110.79
  4. Step 4: Simplify right side
    197.46x = 32,814.89
  5. Step 5: Solve for x
    x = 32,814.89/197.46
  6. Step 6: Final answer
    x = 166.19

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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.