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Finding the Fourth Proportional to 365.94, 548.90 and 109.44

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Solution

The fourth proportional to 365.94, 548.90 and 109.44 is: 164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.94 : 548.90 = 109.44 : x
  2. Step 2: Convert to fraction form
    365.94/548.90 = 109.44/x
  3. Step 3: Cross multiply
    365.94x = 548.90 × 109.44
  4. Step 4: Simplify right side
    365.94x = 60,071.62
  5. Step 5: Solve for x
    x = 60,071.62/365.94
  6. Step 6: Final answer
    x = 164.16

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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.