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Finding the Fourth Proportional to 550.57, 825.60 and 185.11

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Solution

The fourth proportional to 550.57, 825.60 and 185.11 is: 277.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.57 : 825.60 = 185.11 : x
  2. Step 2: Convert to fraction form
    550.57/825.60 = 185.11/x
  3. Step 3: Cross multiply
    550.57x = 825.60 × 185.11
  4. Step 4: Simplify right side
    550.57x = 152,822.69
  5. Step 5: Solve for x
    x = 152,822.69/550.57
  6. Step 6: Final answer
    x = 277.57

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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.