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Finding the Fourth Proportional to 550.33, 825.73 and 185.22

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Solution

The fourth proportional to 550.33, 825.73 and 185.22 is: 277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.33 : 825.73 = 185.22 : x
  2. Step 2: Convert to fraction form
    550.33/825.73 = 185.22/x
  3. Step 3: Cross multiply
    550.33x = 825.73 × 185.22
  4. Step 4: Simplify right side
    550.33x = 152,941.71
  5. Step 5: Solve for x
    x = 152,941.71/550.33
  6. Step 6: Final answer
    x = 277.91

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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.