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Finding the Fourth Proportional to 195.15, 293.01 and 92.62

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Solution

The fourth proportional to 195.15, 293.01 and 92.62 is: 139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.15 : 293.01 = 92.62 : x
  2. Step 2: Convert to fraction form
    195.15/293.01 = 92.62/x
  3. Step 3: Cross multiply
    195.15x = 293.01 × 92.62
  4. Step 4: Simplify right side
    195.15x = 27,136.66
  5. Step 5: Solve for x
    x = 27,136.66/195.15
  6. Step 6: Final answer
    x = 139.06

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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.