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Finding the Fourth Proportional to 365.32, 548.25 and 200.89

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Solution

The fourth proportional to 365.32, 548.25 and 200.89 is: 301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.32 : 548.25 = 200.89 : x
  2. Step 2: Convert to fraction form
    365.32/548.25 = 200.89/x
  3. Step 3: Cross multiply
    365.32x = 548.25 × 200.89
  4. Step 4: Simplify right side
    365.32x = 110,137.94
  5. Step 5: Solve for x
    x = 110,137.94/365.32
  6. Step 6: Final answer
    x = 301.48

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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.