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Finding the Fourth Proportional to 233.44, 347.69 and 223.64

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Solution

The fourth proportional to 233.44, 347.69 and 223.64 is: 333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.44 : 347.69 = 223.64 : x
  2. Step 2: Convert to fraction form
    233.44/347.69 = 223.64/x
  3. Step 3: Cross multiply
    233.44x = 347.69 × 223.64
  4. Step 4: Simplify right side
    233.44x = 77,757.39
  5. Step 5: Solve for x
    x = 77,757.39/233.44
  6. Step 6: Final answer
    x = 333.09

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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.