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Finding the Fourth Proportional to 637.32, 955.96 and 271.87

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Solution

The fourth proportional to 637.32, 955.96 and 271.87 is: 407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.32 : 955.96 = 271.87 : x
  2. Step 2: Convert to fraction form
    637.32/955.96 = 271.87/x
  3. Step 3: Cross multiply
    637.32x = 955.96 × 271.87
  4. Step 4: Simplify right side
    637.32x = 259,896.85
  5. Step 5: Solve for x
    x = 259,896.85/637.32
  6. Step 6: Final answer
    x = 407.80

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