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Finding the Fourth Proportional to 224.36, 336.14 and 211.34

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Solution

The fourth proportional to 224.36, 336.14 and 211.34 is: 316.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.36 : 336.14 = 211.34 : x
  2. Step 2: Convert to fraction form
    224.36/336.14 = 211.34/x
  3. Step 3: Cross multiply
    224.36x = 336.14 × 211.34
  4. Step 4: Simplify right side
    224.36x = 71,039.83
  5. Step 5: Solve for x
    x = 71,039.83/224.36
  6. Step 6: Final answer
    x = 316.63

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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.