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Finding the Fourth Proportional to 203.88, 305.61 and 95.47

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Solution

The fourth proportional to 203.88, 305.61 and 95.47 is: 143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.88 : 305.61 = 95.47 : x
  2. Step 2: Convert to fraction form
    203.88/305.61 = 95.47/x
  3. Step 3: Cross multiply
    203.88x = 305.61 × 95.47
  4. Step 4: Simplify right side
    203.88x = 29,176.59
  5. Step 5: Solve for x
    x = 29,176.59/203.88
  6. Step 6: Final answer
    x = 143.11

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