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Finding the Fourth Proportional to 606.56, 911.52 and 591.92

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Solution

The fourth proportional to 606.56, 911.52 and 591.92 is: 889.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.56 : 911.52 = 591.92 : x
  2. Step 2: Convert to fraction form
    606.56/911.52 = 591.92/x
  3. Step 3: Cross multiply
    606.56x = 911.52 × 591.92
  4. Step 4: Simplify right side
    606.56x = 539,546.92
  5. Step 5: Solve for x
    x = 539,546.92/606.56
  6. Step 6: Final answer
    x = 889.52

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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.