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Finding the Fourth Proportional to 195.60, 270.28 and 171

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Solution

The fourth proportional to 195.60, 270.28 and 171 is: 236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.60 : 270.28 = 171 : x
  2. Step 2: Convert to fraction form
    195.60/270.28 = 171/x
  3. Step 3: Cross multiply
    195.60x = 270.28 × 171
  4. Step 4: Simplify right side
    195.60x = 46,217.88
  5. Step 5: Solve for x
    x = 46,217.88/195.60
  6. Step 6: Final answer
    x = 236.29

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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.