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Finding the Fourth Proportional to 352.08, 485.36 and 269

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Solution

The fourth proportional to 352.08, 485.36 and 269 is: 370.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.08 : 485.36 = 269 : x
  2. Step 2: Convert to fraction form
    352.08/485.36 = 269/x
  3. Step 3: Cross multiply
    352.08x = 485.36 × 269
  4. Step 4: Simplify right side
    352.08x = 130,561.84
  5. Step 5: Solve for x
    x = 130,561.84/352.08
  6. Step 6: Final answer
    x = 370.83

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