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Finding the Fourth Proportional to 606.56, 909.87 and 195.68

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Solution

The fourth proportional to 606.56, 909.87 and 195.68 is: 293.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.56 : 909.87 = 195.68 : x
  2. Step 2: Convert to fraction form
    606.56/909.87 = 195.68/x
  3. Step 3: Cross multiply
    606.56x = 909.87 × 195.68
  4. Step 4: Simplify right side
    606.56x = 178,044.90
  5. Step 5: Solve for x
    x = 178,044.90/606.56
  6. Step 6: Final answer
    x = 293.53

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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.