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Finding the Fourth Proportional to 195.95, 294.00 and 171.61

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Solution

The fourth proportional to 195.95, 294.00 and 171.61 is: 257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.95 : 294.00 = 171.61 : x
  2. Step 2: Convert to fraction form
    195.95/294.00 = 171.61/x
  3. Step 3: Cross multiply
    195.95x = 294.00 × 171.61
  4. Step 4: Simplify right side
    195.95x = 50,451.96
  5. Step 5: Solve for x
    x = 50,451.96/195.95
  6. Step 6: Final answer
    x = 257.47

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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.