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Finding the Fourth Proportional to 606.57, 909.86 and 195.71

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Solution

The fourth proportional to 606.57, 909.86 and 195.71 is: 293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.57 : 909.86 = 195.71 : x
  2. Step 2: Convert to fraction form
    606.57/909.86 = 195.71/x
  3. Step 3: Cross multiply
    606.57x = 909.86 × 195.71
  4. Step 4: Simplify right side
    606.57x = 178,063.17
  5. Step 5: Solve for x
    x = 178,063.17/606.57
  6. Step 6: Final answer
    x = 293.56

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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.