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Finding the Fourth Proportional to 195.30, 293.03 and 73.61

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Solution

The fourth proportional to 195.30, 293.03 and 73.61 is: 110.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.30 : 293.03 = 73.61 : x
  2. Step 2: Convert to fraction form
    195.30/293.03 = 73.61/x
  3. Step 3: Cross multiply
    195.30x = 293.03 × 73.61
  4. Step 4: Simplify right side
    195.30x = 21,568.11
  5. Step 5: Solve for x
    x = 21,568.11/195.30
  6. Step 6: Final answer
    x = 110.44

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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.