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Finding the Fourth Proportional to 197.48, 295.96 and 174.68

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Solution

The fourth proportional to 197.48, 295.96 and 174.68 is: 261.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.48 : 295.96 = 174.68 : x
  2. Step 2: Convert to fraction form
    197.48/295.96 = 174.68/x
  3. Step 3: Cross multiply
    197.48x = 295.96 × 174.68
  4. Step 4: Simplify right side
    197.48x = 51,698.29
  5. Step 5: Solve for x
    x = 51,698.29/197.48
  6. Step 6: Final answer
    x = 261.79

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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.