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Finding the Fourth Proportional to 540.96, 810.82 and 248.68

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Solution

The fourth proportional to 540.96, 810.82 and 248.68 is: 372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.96 : 810.82 = 248.68 : x
  2. Step 2: Convert to fraction form
    540.96/810.82 = 248.68/x
  3. Step 3: Cross multiply
    540.96x = 810.82 × 248.68
  4. Step 4: Simplify right side
    540.96x = 201,634.72
  5. Step 5: Solve for x
    x = 201,634.72/540.96
  6. Step 6: Final answer
    x = 372.73

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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.