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Finding the Fourth Proportional to 197.59, 273.02 and 173.53

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Solution

The fourth proportional to 197.59, 273.02 and 173.53 is: 239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.59 : 273.02 = 173.53 : x
  2. Step 2: Convert to fraction form
    197.59/273.02 = 173.53/x
  3. Step 3: Cross multiply
    197.59x = 273.02 × 173.53
  4. Step 4: Simplify right side
    197.59x = 47,377.16
  5. Step 5: Solve for x
    x = 47,377.16/197.59
  6. Step 6: Final answer
    x = 239.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.