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Finding the Fourth Proportional to 606.57, 909.86 and 173.73

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Solution

The fourth proportional to 606.57, 909.86 and 173.73 is: 260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.57 : 909.86 = 173.73 : x
  2. Step 2: Convert to fraction form
    606.57/909.86 = 173.73/x
  3. Step 3: Cross multiply
    606.57x = 909.86 × 173.73
  4. Step 4: Simplify right side
    606.57x = 158,065.70
  5. Step 5: Solve for x
    x = 158,065.70/606.57
  6. Step 6: Final answer
    x = 260.59

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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.