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Finding the Fourth Proportional to 203.12, 304.77 and 94.91

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Solution

The fourth proportional to 203.12, 304.77 and 94.91 is: 142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.12 : 304.77 = 94.91 : x
  2. Step 2: Convert to fraction form
    203.12/304.77 = 94.91/x
  3. Step 3: Cross multiply
    203.12x = 304.77 × 94.91
  4. Step 4: Simplify right side
    203.12x = 28,925.72
  5. Step 5: Solve for x
    x = 28,925.72/203.12
  6. Step 6: Final answer
    x = 142.41

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