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Finding the Fourth Proportional to 550.67, 825.80 and 160.54

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Solution

The fourth proportional to 550.67, 825.80 and 160.54 is: 240.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.67 : 825.80 = 160.54 : x
  2. Step 2: Convert to fraction form
    550.67/825.80 = 160.54/x
  3. Step 3: Cross multiply
    550.67x = 825.80 × 160.54
  4. Step 4: Simplify right side
    550.67x = 132,573.93
  5. Step 5: Solve for x
    x = 132,573.93/550.67
  6. Step 6: Final answer
    x = 240.75

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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.