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Finding the Fourth Proportional to 195.90, 293.68 and 134.83

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Solution

The fourth proportional to 195.90, 293.68 and 134.83 is: 202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.90 : 293.68 = 134.83 : x
  2. Step 2: Convert to fraction form
    195.90/293.68 = 134.83/x
  3. Step 3: Cross multiply
    195.90x = 293.68 × 134.83
  4. Step 4: Simplify right side
    195.90x = 39,596.87
  5. Step 5: Solve for x
    x = 39,596.87/195.90
  6. Step 6: Final answer
    x = 202.13

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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.