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Finding the Fourth Proportional to 234.58, 323.73 and 136.35

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Solution

The fourth proportional to 234.58, 323.73 and 136.35 is: 188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.58 : 323.73 = 136.35 : x
  2. Step 2: Convert to fraction form
    234.58/323.73 = 136.35/x
  3. Step 3: Cross multiply
    234.58x = 323.73 × 136.35
  4. Step 4: Simplify right side
    234.58x = 44,140.59
  5. Step 5: Solve for x
    x = 44,140.59/234.58
  6. Step 6: Final answer
    x = 188.17

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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.