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Finding the Fourth Proportional to 284.54, 426.97 and 263.89

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Solution

The fourth proportional to 284.54, 426.97 and 263.89 is: 395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    284.54 : 426.97 = 263.89 : x
  2. Step 2: Convert to fraction form
    284.54/426.97 = 263.89/x
  3. Step 3: Cross multiply
    284.54x = 426.97 × 263.89
  4. Step 4: Simplify right side
    284.54x = 112,670.89
  5. Step 5: Solve for x
    x = 112,670.89/284.54
  6. Step 6: Final answer
    x = 395.97

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