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Finding the Fourth Proportional to 233.60, 322.28 and 163.84

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Solution

The fourth proportional to 233.60, 322.28 and 163.84 is: 226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.60 : 322.28 = 163.84 : x
  2. Step 2: Convert to fraction form
    233.60/322.28 = 163.84/x
  3. Step 3: Cross multiply
    233.60x = 322.28 × 163.84
  4. Step 4: Simplify right side
    233.60x = 52,802.36
  5. Step 5: Solve for x
    x = 52,802.36/233.60
  6. Step 6: Final answer
    x = 226.04

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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.