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Finding the Fourth Proportional to 366.73, 550.04 and 135.73

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Solution

The fourth proportional to 366.73, 550.04 and 135.73 is: 203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.73 : 550.04 = 135.73 : x
  2. Step 2: Convert to fraction form
    366.73/550.04 = 135.73/x
  3. Step 3: Cross multiply
    366.73x = 550.04 × 135.73
  4. Step 4: Simplify right side
    366.73x = 74,657.70
  5. Step 5: Solve for x
    x = 74,657.70/366.73
  6. Step 6: Final answer
    x = 203.58

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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.