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Finding the Fourth Proportional to 559, 771.68 and 359.93

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Solution

The fourth proportional to 559, 771.68 and 359.93 is: 496.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    559 : 771.68 = 359.93 : x
  2. Step 2: Convert to fraction form
    559/771.68 = 359.93/x
  3. Step 3: Cross multiply
    559x = 771.68 × 359.93
  4. Step 4: Simplify right side
    559x = 277,745.12
  5. Step 5: Solve for x
    x = 277,745.12/559
  6. Step 6: Final answer
    x = 496.86

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