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Finding the Fourth Proportional to 550.46, 825.76 and 185.29

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Solution

The fourth proportional to 550.46, 825.76 and 185.29 is: 277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.46 : 825.76 = 185.29 : x
  2. Step 2: Convert to fraction form
    550.46/825.76 = 185.29/x
  3. Step 3: Cross multiply
    550.46x = 825.76 × 185.29
  4. Step 4: Simplify right side
    550.46x = 153,005.07
  5. Step 5: Solve for x
    x = 153,005.07/550.46
  6. Step 6: Final answer
    x = 277.96

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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.