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Finding the Fourth Proportional to 333.81, 460.49 and 223.44

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Solution

The fourth proportional to 333.81, 460.49 and 223.44 is: 308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.81 : 460.49 = 223.44 : x
  2. Step 2: Convert to fraction form
    333.81/460.49 = 223.44/x
  3. Step 3: Cross multiply
    333.81x = 460.49 × 223.44
  4. Step 4: Simplify right side
    333.81x = 102,890.77
  5. Step 5: Solve for x
    x = 102,890.77/333.81
  6. Step 6: Final answer
    x = 308.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.