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Finding the Fourth Proportional to 334.26, 460.81 and 251.22

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Solution

The fourth proportional to 334.26, 460.81 and 251.22 is: 346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.26 : 460.81 = 251.22 : x
  2. Step 2: Convert to fraction form
    334.26/460.81 = 251.22/x
  3. Step 3: Cross multiply
    334.26x = 460.81 × 251.22
  4. Step 4: Simplify right side
    334.26x = 115,764.84
  5. Step 5: Solve for x
    x = 115,764.84/334.26
  6. Step 6: Final answer
    x = 346.33

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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.