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Finding the Fourth Proportional to 243.09, 363.26 and 233.37

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Solution

The fourth proportional to 243.09, 363.26 and 233.37 is: 348.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.09 : 363.26 = 233.37 : x
  2. Step 2: Convert to fraction form
    243.09/363.26 = 233.37/x
  3. Step 3: Cross multiply
    243.09x = 363.26 × 233.37
  4. Step 4: Simplify right side
    243.09x = 84,774.57
  5. Step 5: Solve for x
    x = 84,774.57/243.09
  6. Step 6: Final answer
    x = 348.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.