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Finding the Fourth Proportional to 559.53, 772.04 and 338.44

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Solution

The fourth proportional to 559.53, 772.04 and 338.44 is: 466.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.53 : 772.04 = 338.44 : x
  2. Step 2: Convert to fraction form
    559.53/772.04 = 338.44/x
  3. Step 3: Cross multiply
    559.53x = 772.04 × 338.44
  4. Step 4: Simplify right side
    559.53x = 261,288.37
  5. Step 5: Solve for x
    x = 261,288.37/559.53
  6. Step 6: Final answer
    x = 466.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.