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Finding the Fourth Proportional to 233.94, 322.83 and 163.92

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Solution

The fourth proportional to 233.94, 322.83 and 163.92 is: 226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.94 : 322.83 = 163.92 : x
  2. Step 2: Convert to fraction form
    233.94/322.83 = 163.92/x
  3. Step 3: Cross multiply
    233.94x = 322.83 × 163.92
  4. Step 4: Simplify right side
    233.94x = 52,918.29
  5. Step 5: Solve for x
    x = 52,918.29/233.94
  6. Step 6: Final answer
    x = 226.20

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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.