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Finding the Fourth Proportional to 650.52, 897.69 and 355.78

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Solution

The fourth proportional to 650.52, 897.69 and 355.78 is: 490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.52 : 897.69 = 355.78 : x
  2. Step 2: Convert to fraction form
    650.52/897.69 = 355.78/x
  3. Step 3: Cross multiply
    650.52x = 897.69 × 355.78
  4. Step 4: Simplify right side
    650.52x = 319,380.15
  5. Step 5: Solve for x
    x = 319,380.15/650.52
  6. Step 6: Final answer
    x = 490.97

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