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Finding the Fourth Proportional to 365.27, 504.08 and 199.49

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Solution

The fourth proportional to 365.27, 504.08 and 199.49 is: 275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.27 : 504.08 = 199.49 : x
  2. Step 2: Convert to fraction form
    365.27/504.08 = 199.49/x
  3. Step 3: Cross multiply
    365.27x = 504.08 × 199.49
  4. Step 4: Simplify right side
    365.27x = 100,555.40
  5. Step 5: Solve for x
    x = 100,555.40/365.27
  6. Step 6: Final answer
    x = 275.29

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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.