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Finding the Fourth Proportional to 197.36, 296.01 and 75.56

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Solution

The fourth proportional to 197.36, 296.01 and 75.56 is: 113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.36 : 296.01 = 75.56 : x
  2. Step 2: Convert to fraction form
    197.36/296.01 = 75.56/x
  3. Step 3: Cross multiply
    197.36x = 296.01 × 75.56
  4. Step 4: Simplify right side
    197.36x = 22,366.52
  5. Step 5: Solve for x
    x = 22,366.52/197.36
  6. Step 6: Final answer
    x = 113.33

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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.