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Finding the Fourth Proportional to 471.80, 650.94 and 275.19

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Solution

The fourth proportional to 471.80, 650.94 and 275.19 is: 379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.80 : 650.94 = 275.19 : x
  2. Step 2: Convert to fraction form
    471.80/650.94 = 275.19/x
  3. Step 3: Cross multiply
    471.80x = 650.94 × 275.19
  4. Step 4: Simplify right side
    471.80x = 179,132.18
  5. Step 5: Solve for x
    x = 179,132.18/471.80
  6. Step 6: Final answer
    x = 379.68

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