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Finding the Fourth Proportional to 224.37, 336.69 and 216.27

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Solution

The fourth proportional to 224.37, 336.69 and 216.27 is: 324.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.37 : 336.69 = 216.27 : x
  2. Step 2: Convert to fraction form
    224.37/336.69 = 216.27/x
  3. Step 3: Cross multiply
    224.37x = 336.69 × 216.27
  4. Step 4: Simplify right side
    224.37x = 72,815.95
  5. Step 5: Solve for x
    x = 72,815.95/224.37
  6. Step 6: Final answer
    x = 324.54

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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.