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Finding the Fourth Proportional to 233.73, 321.74 and 192.22

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Solution

The fourth proportional to 233.73, 321.74 and 192.22 is: 264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.73 : 321.74 = 192.22 : x
  2. Step 2: Convert to fraction form
    233.73/321.74 = 192.22/x
  3. Step 3: Cross multiply
    233.73x = 321.74 × 192.22
  4. Step 4: Simplify right side
    233.73x = 61,844.54
  5. Step 5: Solve for x
    x = 61,844.54/233.73
  6. Step 6: Final answer
    x = 264.60

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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.