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Finding the Fourth Proportional to 544.82, 813.64 and 539.18

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Solution

The fourth proportional to 544.82, 813.64 and 539.18 is: 805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.82 : 813.64 = 539.18 : x
  2. Step 2: Convert to fraction form
    544.82/813.64 = 539.18/x
  3. Step 3: Cross multiply
    544.82x = 813.64 × 539.18
  4. Step 4: Simplify right side
    544.82x = 438,698.42
  5. Step 5: Solve for x
    x = 438,698.42/544.82
  6. Step 6: Final answer
    x = 805.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.