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Finding the Fourth Proportional to 662.88, 994.30 and 224.16

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Solution

The fourth proportional to 662.88, 994.30 and 224.16 is: 336.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.88 : 994.30 = 224.16 : x
  2. Step 2: Convert to fraction form
    662.88/994.30 = 224.16/x
  3. Step 3: Cross multiply
    662.88x = 994.30 × 224.16
  4. Step 4: Simplify right side
    662.88x = 222,882.29
  5. Step 5: Solve for x
    x = 222,882.29/662.88
  6. Step 6: Final answer
    x = 336.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.