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Finding the Fourth Proportional to 217.17, 323.63 and 204.19

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Solution

The fourth proportional to 217.17, 323.63 and 204.19 is: 304.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    217.17 : 323.63 = 204.19 : x
  2. Step 2: Convert to fraction form
    217.17/323.63 = 204.19/x
  3. Step 3: Cross multiply
    217.17x = 323.63 × 204.19
  4. Step 4: Simplify right side
    217.17x = 66,082.01
  5. Step 5: Solve for x
    x = 66,082.01/217.17
  6. Step 6: Final answer
    x = 304.29

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.