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Finding the Fourth Proportional to 611.00, 843.20 and 349.01

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Solution

The fourth proportional to 611.00, 843.20 and 349.01 is: 481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.00 : 843.20 = 349.01 : x
  2. Step 2: Convert to fraction form
    611.00/843.20 = 349.01/x
  3. Step 3: Cross multiply
    611.00x = 843.20 × 349.01
  4. Step 4: Simplify right side
    611.00x = 294,279.27
  5. Step 5: Solve for x
    x = 294,279.27/611.00
  6. Step 6: Final answer
    x = 481.64

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