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Finding the Fourth Proportional to 576.82, 796 and 355.78

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Solution

The fourth proportional to 576.82, 796 and 355.78 is: 490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.82 : 796 = 355.78 : x
  2. Step 2: Convert to fraction form
    576.82/796 = 355.78/x
  3. Step 3: Cross multiply
    576.82x = 796 × 355.78
  4. Step 4: Simplify right side
    576.82x = 283,200.88
  5. Step 5: Solve for x
    x = 283,200.88/576.82
  6. Step 6: Final answer
    x = 490.97

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