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Finding the Fourth Proportional to 195.75, 293.36 and 114.62

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Solution

The fourth proportional to 195.75, 293.36 and 114.62 is: 171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.75 : 293.36 = 114.62 : x
  2. Step 2: Convert to fraction form
    195.75/293.36 = 114.62/x
  3. Step 3: Cross multiply
    195.75x = 293.36 × 114.62
  4. Step 4: Simplify right side
    195.75x = 33,622.88
  5. Step 5: Solve for x
    x = 33,622.88/195.75
  6. Step 6: Final answer
    x = 171.76

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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.