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Finding the Fourth Proportional to 449.16, 619.80 and 252.64

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Solution

The fourth proportional to 449.16, 619.80 and 252.64 is: 348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.16 : 619.80 = 252.64 : x
  2. Step 2: Convert to fraction form
    449.16/619.80 = 252.64/x
  3. Step 3: Cross multiply
    449.16x = 619.80 × 252.64
  4. Step 4: Simplify right side
    449.16x = 156,585.01
  5. Step 5: Solve for x
    x = 156,585.01/449.16
  6. Step 6: Final answer
    x = 348.62

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