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Finding the Fourth Proportional to 606.75, 910.23 and 195.79

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Solution

The fourth proportional to 606.75, 910.23 and 195.79 is: 293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.75 : 910.23 = 195.79 : x
  2. Step 2: Convert to fraction form
    606.75/910.23 = 195.79/x
  3. Step 3: Cross multiply
    606.75x = 910.23 × 195.79
  4. Step 4: Simplify right side
    606.75x = 178,213.93
  5. Step 5: Solve for x
    x = 178,213.93/606.75
  6. Step 6: Final answer
    x = 293.72

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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.