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Finding the Fourth Proportional to 234.64, 323.52 and 193.18

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Solution

The fourth proportional to 234.64, 323.52 and 193.18 is: 266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.64 : 323.52 = 193.18 : x
  2. Step 2: Convert to fraction form
    234.64/323.52 = 193.18/x
  3. Step 3: Cross multiply
    234.64x = 323.52 × 193.18
  4. Step 4: Simplify right side
    234.64x = 62,497.59
  5. Step 5: Solve for x
    x = 62,497.59/234.64
  6. Step 6: Final answer
    x = 266.36

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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.