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Finding the Fourth Proportional to 271.78, 375.06 and 147.44

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Solution

The fourth proportional to 271.78, 375.06 and 147.44 is: 203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.78 : 375.06 = 147.44 : x
  2. Step 2: Convert to fraction form
    271.78/375.06 = 147.44/x
  3. Step 3: Cross multiply
    271.78x = 375.06 × 147.44
  4. Step 4: Simplify right side
    271.78x = 55,299.19
  5. Step 5: Solve for x
    x = 55,299.19/271.78
  6. Step 6: Final answer
    x = 203.47

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