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Finding the Fourth Proportional to 344.97, 476.09 and 226.95

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Solution

The fourth proportional to 344.97, 476.09 and 226.95 is: 313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.97 : 476.09 = 226.95 : x
  2. Step 2: Convert to fraction form
    344.97/476.09 = 226.95/x
  3. Step 3: Cross multiply
    344.97x = 476.09 × 226.95
  4. Step 4: Simplify right side
    344.97x = 108,047.49
  5. Step 5: Solve for x
    x = 108,047.49/344.97
  6. Step 6: Final answer
    x = 313.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.