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Finding the Fourth Proportional to 195.42, 292.62 and 134.47

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Solution

The fourth proportional to 195.42, 292.62 and 134.47 is: 201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.42 : 292.62 = 134.47 : x
  2. Step 2: Convert to fraction form
    195.42/292.62 = 134.47/x
  3. Step 3: Cross multiply
    195.42x = 292.62 × 134.47
  4. Step 4: Simplify right side
    195.42x = 39,348.61
  5. Step 5: Solve for x
    x = 39,348.61/195.42
  6. Step 6: Final answer
    x = 201.35

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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.