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Finding the Fourth Proportional to 271.16, 406.07 and 224.60

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Solution

The fourth proportional to 271.16, 406.07 and 224.60 is: 336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.16 : 406.07 = 224.60 : x
  2. Step 2: Convert to fraction form
    271.16/406.07 = 224.60/x
  3. Step 3: Cross multiply
    271.16x = 406.07 × 224.60
  4. Step 4: Simplify right side
    271.16x = 91,201.85
  5. Step 5: Solve for x
    x = 91,201.85/271.16
  6. Step 6: Final answer
    x = 336.35

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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.