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Finding the Fourth Proportional to 338.30, 467.07 and 233.36

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Solution

The fourth proportional to 338.30, 467.07 and 233.36 is: 322.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.30 : 467.07 = 233.36 : x
  2. Step 2: Convert to fraction form
    338.30/467.07 = 233.36/x
  3. Step 3: Cross multiply
    338.30x = 467.07 × 233.36
  4. Step 4: Simplify right side
    338.30x = 108,993.12
  5. Step 5: Solve for x
    x = 108,993.12/338.30
  6. Step 6: Final answer
    x = 322.18

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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.