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Finding the Fourth Proportional to 471.02, 650.12 and 313.90

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Solution

The fourth proportional to 471.02, 650.12 and 313.90 is: 433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.02 : 650.12 = 313.90 : x
  2. Step 2: Convert to fraction form
    471.02/650.12 = 313.90/x
  3. Step 3: Cross multiply
    471.02x = 650.12 × 313.90
  4. Step 4: Simplify right side
    471.02x = 204,072.67
  5. Step 5: Solve for x
    x = 204,072.67/471.02
  6. Step 6: Final answer
    x = 433.26

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