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Finding the Fourth Proportional to 233.92, 323.16 and 206.32

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Solution

The fourth proportional to 233.92, 323.16 and 206.32 is: 285.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.92 : 323.16 = 206.32 : x
  2. Step 2: Convert to fraction form
    233.92/323.16 = 206.32/x
  3. Step 3: Cross multiply
    233.92x = 323.16 × 206.32
  4. Step 4: Simplify right side
    233.92x = 66,674.37
  5. Step 5: Solve for x
    x = 66,674.37/233.92
  6. Step 6: Final answer
    x = 285.03

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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.