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Finding the Fourth Proportional to 197.69, 296.53 and 60.73

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Solution

The fourth proportional to 197.69, 296.53 and 60.73 is: 91.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.69 : 296.53 = 60.73 : x
  2. Step 2: Convert to fraction form
    197.69/296.53 = 60.73/x
  3. Step 3: Cross multiply
    197.69x = 296.53 × 60.73
  4. Step 4: Simplify right side
    197.69x = 18,007.96
  5. Step 5: Solve for x
    x = 18,007.96/197.69
  6. Step 6: Final answer
    x = 91.09

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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.