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Finding the Fourth Proportional to 195.62, 293.52 and 65.66

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Solution

The fourth proportional to 195.62, 293.52 and 65.66 is: 98.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.62 : 293.52 = 65.66 : x
  2. Step 2: Convert to fraction form
    195.62/293.52 = 65.66/x
  3. Step 3: Cross multiply
    195.62x = 293.52 × 65.66
  4. Step 4: Simplify right side
    195.62x = 19,272.95
  5. Step 5: Solve for x
    x = 19,272.95/195.62
  6. Step 6: Final answer
    x = 98.52

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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.