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Finding the Fourth Proportional to 559.27, 839.49 and 525.25

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Solution

The fourth proportional to 559.27, 839.49 and 525.25 is: 788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.27 : 839.49 = 525.25 : x
  2. Step 2: Convert to fraction form
    559.27/839.49 = 525.25/x
  3. Step 3: Cross multiply
    559.27x = 839.49 × 525.25
  4. Step 4: Simplify right side
    559.27x = 440,942.12
  5. Step 5: Solve for x
    x = 440,942.12/559.27
  6. Step 6: Final answer
    x = 788.42

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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.