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Finding the Fourth Proportional to 606.93, 909.92 and 195.95

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Solution

The fourth proportional to 606.93, 909.92 and 195.95 is: 293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.93 : 909.92 = 195.95 : x
  2. Step 2: Convert to fraction form
    606.93/909.92 = 195.95/x
  3. Step 3: Cross multiply
    606.93x = 909.92 × 195.95
  4. Step 4: Simplify right side
    606.93x = 178,301.59
  5. Step 5: Solve for x
    x = 178,301.59/606.93
  6. Step 6: Final answer
    x = 293.78

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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.