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Finding the Fourth Proportional to 550.79, 826.25 and 185.61

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Solution

The fourth proportional to 550.79, 826.25 and 185.61 is: 278.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.79 : 826.25 = 185.61 : x
  2. Step 2: Convert to fraction form
    550.79/826.25 = 185.61/x
  3. Step 3: Cross multiply
    550.79x = 826.25 × 185.61
  4. Step 4: Simplify right side
    550.79x = 153,359.33
  5. Step 5: Solve for x
    x = 153,359.33/550.79
  6. Step 6: Final answer
    x = 278.44

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