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Finding the Fourth Proportional to 335.90, 464.04 and 225.33

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Solution

The fourth proportional to 335.90, 464.04 and 225.33 is: 311.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.90 : 464.04 = 225.33 : x
  2. Step 2: Convert to fraction form
    335.90/464.04 = 225.33/x
  3. Step 3: Cross multiply
    335.90x = 464.04 × 225.33
  4. Step 4: Simplify right side
    335.90x = 104,562.13
  5. Step 5: Solve for x
    x = 104,562.13/335.90
  6. Step 6: Final answer
    x = 311.29

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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.