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Finding the Fourth Proportional to 271.99, 408.35 and 235.68

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Solution

The fourth proportional to 271.99, 408.35 and 235.68 is: 353.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.99 : 408.35 = 235.68 : x
  2. Step 2: Convert to fraction form
    271.99/408.35 = 235.68/x
  3. Step 3: Cross multiply
    271.99x = 408.35 × 235.68
  4. Step 4: Simplify right side
    271.99x = 96,239.93
  5. Step 5: Solve for x
    x = 96,239.93/271.99
  6. Step 6: Final answer
    x = 353.84

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