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Finding the Fourth Proportional to 344.12, 474.91 and 213.05

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Solution

The fourth proportional to 344.12, 474.91 and 213.05 is: 294.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.12 : 474.91 = 213.05 : x
  2. Step 2: Convert to fraction form
    344.12/474.91 = 213.05/x
  3. Step 3: Cross multiply
    344.12x = 474.91 × 213.05
  4. Step 4: Simplify right side
    344.12x = 101,178.76
  5. Step 5: Solve for x
    x = 101,178.76/344.12
  6. Step 6: Final answer
    x = 294.03

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