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Finding the Fourth Proportional to 263.18, 394.58 and 118.82

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Solution

The fourth proportional to 263.18, 394.58 and 118.82 is: 178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.18 : 394.58 = 118.82 : x
  2. Step 2: Convert to fraction form
    263.18/394.58 = 118.82/x
  3. Step 3: Cross multiply
    263.18x = 394.58 × 118.82
  4. Step 4: Simplify right side
    263.18x = 46,884.00
  5. Step 5: Solve for x
    x = 46,884.00/263.18
  6. Step 6: Final answer
    x = 178.14

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