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Finding the Fourth Proportional to 195.56, 293.52 and 134.90

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Solution

The fourth proportional to 195.56, 293.52 and 134.90 is: 202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.56 : 293.52 = 134.90 : x
  2. Step 2: Convert to fraction form
    195.56/293.52 = 134.90/x
  3. Step 3: Cross multiply
    195.56x = 293.52 × 134.90
  4. Step 4: Simplify right side
    195.56x = 39,595.85
  5. Step 5: Solve for x
    x = 39,595.85/195.56
  6. Step 6: Final answer
    x = 202.47

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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.