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Finding the Fourth Proportional to 366.09, 548.79 and 134.92

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Solution

The fourth proportional to 366.09, 548.79 and 134.92 is: 202.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.09 : 548.79 = 134.92 : x
  2. Step 2: Convert to fraction form
    366.09/548.79 = 134.92/x
  3. Step 3: Cross multiply
    366.09x = 548.79 × 134.92
  4. Step 4: Simplify right side
    366.09x = 74,042.75
  5. Step 5: Solve for x
    x = 74,042.75/366.09
  6. Step 6: Final answer
    x = 202.25

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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.