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Finding the Fourth Proportional to 443.64, 612.20 and 268.92

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Solution

The fourth proportional to 443.64, 612.20 and 268.92 is: 371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    443.64 : 612.20 = 268.92 : x
  2. Step 2: Convert to fraction form
    443.64/612.20 = 268.92/x
  3. Step 3: Cross multiply
    443.64x = 612.20 × 268.92
  4. Step 4: Simplify right side
    443.64x = 164,632.82
  5. Step 5: Solve for x
    x = 164,632.82/443.64
  6. Step 6: Final answer
    x = 371.10

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