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Finding the Fourth Proportional to 539.58, 804.66 and 516.36

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Solution

The fourth proportional to 539.58, 804.66 and 516.36 is: 770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.58 : 804.66 = 516.36 : x
  2. Step 2: Convert to fraction form
    539.58/804.66 = 516.36/x
  3. Step 3: Cross multiply
    539.58x = 804.66 × 516.36
  4. Step 4: Simplify right side
    539.58x = 415,494.24
  5. Step 5: Solve for x
    x = 415,494.24/539.58
  6. Step 6: Final answer
    x = 770.03

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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.