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Finding the Fourth Proportional to 195.18, 291.36 and 167.82

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Solution

The fourth proportional to 195.18, 291.36 and 167.82 is: 250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.18 : 291.36 = 167.82 : x
  2. Step 2: Convert to fraction form
    195.18/291.36 = 167.82/x
  3. Step 3: Cross multiply
    195.18x = 291.36 × 167.82
  4. Step 4: Simplify right side
    195.18x = 48,896.04
  5. Step 5: Solve for x
    x = 48,896.04/195.18
  6. Step 6: Final answer
    x = 250.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.