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Finding the Fourth Proportional to 255.26, 382.86 and 92.94

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Solution

The fourth proportional to 255.26, 382.86 and 92.94 is: 139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.26 : 382.86 = 92.94 : x
  2. Step 2: Convert to fraction form
    255.26/382.86 = 92.94/x
  3. Step 3: Cross multiply
    255.26x = 382.86 × 92.94
  4. Step 4: Simplify right side
    255.26x = 35,583.01
  5. Step 5: Solve for x
    x = 35,583.01/255.26
  6. Step 6: Final answer
    x = 139.40

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