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Finding the Fourth Proportional to 551.16, 826.85 and 185.92

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Solution

The fourth proportional to 551.16, 826.85 and 185.92 is: 278.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.16 : 826.85 = 185.92 : x
  2. Step 2: Convert to fraction form
    551.16/826.85 = 185.92/x
  3. Step 3: Cross multiply
    551.16x = 826.85 × 185.92
  4. Step 4: Simplify right side
    551.16x = 153,726.35
  5. Step 5: Solve for x
    x = 153,726.35/551.16
  6. Step 6: Final answer
    x = 278.91

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