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Finding the Fourth Proportional to 538.03, 806.82 and 249.25

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Solution

The fourth proportional to 538.03, 806.82 and 249.25 is: 373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    538.03 : 806.82 = 249.25 : x
  2. Step 2: Convert to fraction form
    538.03/806.82 = 249.25/x
  3. Step 3: Cross multiply
    538.03x = 806.82 × 249.25
  4. Step 4: Simplify right side
    538.03x = 201,099.89
  5. Step 5: Solve for x
    x = 201,099.89/538.03
  6. Step 6: Final answer
    x = 373.77

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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.