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Finding the Fourth Proportional to 195.85, 294.15 and 186.85

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Solution

The fourth proportional to 195.85, 294.15 and 186.85 is: 280.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.85 : 294.15 = 186.85 : x
  2. Step 2: Convert to fraction form
    195.85/294.15 = 186.85/x
  3. Step 3: Cross multiply
    195.85x = 294.15 × 186.85
  4. Step 4: Simplify right side
    195.85x = 54,961.93
  5. Step 5: Solve for x
    x = 54,961.93/195.85
  6. Step 6: Final answer
    x = 280.63

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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.