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Finding the Fourth Proportional to 195.08, 267.45 and 190.12

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Solution

The fourth proportional to 195.08, 267.45 and 190.12 is: 260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.08 : 267.45 = 190.12 : x
  2. Step 2: Convert to fraction form
    195.08/267.45 = 190.12/x
  3. Step 3: Cross multiply
    195.08x = 267.45 × 190.12
  4. Step 4: Simplify right side
    195.08x = 50,847.59
  5. Step 5: Solve for x
    x = 50,847.59/195.08
  6. Step 6: Final answer
    x = 260.65

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.