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Finding the Fourth Proportional to 233.09, 350.04 and 198.56

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Solution

The fourth proportional to 233.09, 350.04 and 198.56 is: 298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.09 : 350.04 = 198.56 : x
  2. Step 2: Convert to fraction form
    233.09/350.04 = 198.56/x
  3. Step 3: Cross multiply
    233.09x = 350.04 × 198.56
  4. Step 4: Simplify right side
    233.09x = 69,502.19
  5. Step 5: Solve for x
    x = 69,502.19/233.09
  6. Step 6: Final answer
    x = 298.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.