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Finding the Fourth Proportional to 551.48, 827.04 and 186.20

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Solution

The fourth proportional to 551.48, 827.04 and 186.20 is: 279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.48 : 827.04 = 186.20 : x
  2. Step 2: Convert to fraction form
    551.48/827.04 = 186.20/x
  3. Step 3: Cross multiply
    551.48x = 827.04 × 186.20
  4. Step 4: Simplify right side
    551.48x = 153,994.85
  5. Step 5: Solve for x
    x = 153,994.85/551.48
  6. Step 6: Final answer
    x = 279.24

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