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Finding the Fourth Proportional to 284.53, 427.09 and 252.23

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Solution

The fourth proportional to 284.53, 427.09 and 252.23 is: 378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    284.53 : 427.09 = 252.23 : x
  2. Step 2: Convert to fraction form
    284.53/427.09 = 252.23/x
  3. Step 3: Cross multiply
    284.53x = 427.09 × 252.23
  4. Step 4: Simplify right side
    284.53x = 107,725.35
  5. Step 5: Solve for x
    x = 107,725.35/284.53
  6. Step 6: Final answer
    x = 378.61

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