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Finding the Fourth Proportional to 268.26, 370.23 and 235.62

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Solution

The fourth proportional to 268.26, 370.23 and 235.62 is: 325.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.26 : 370.23 = 235.62 : x
  2. Step 2: Convert to fraction form
    268.26/370.23 = 235.62/x
  3. Step 3: Cross multiply
    268.26x = 370.23 × 235.62
  4. Step 4: Simplify right side
    268.26x = 87,233.59
  5. Step 5: Solve for x
    x = 87,233.59/268.26
  6. Step 6: Final answer
    x = 325.18

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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.