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Finding the Fourth Proportional to 576.22, 864.19 and 186.21

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Solution

The fourth proportional to 576.22, 864.19 and 186.21 is: 279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.22 : 864.19 = 186.21 : x
  2. Step 2: Convert to fraction form
    576.22/864.19 = 186.21/x
  3. Step 3: Cross multiply
    576.22x = 864.19 × 186.21
  4. Step 4: Simplify right side
    576.22x = 160,920.82
  5. Step 5: Solve for x
    x = 160,920.82/576.22
  6. Step 6: Final answer
    x = 279.27

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