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Finding the Fourth Proportional to 568.46, 855.69 and 484.94

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Solution

The fourth proportional to 568.46, 855.69 and 484.94 is: 729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.46 : 855.69 = 484.94 : x
  2. Step 2: Convert to fraction form
    568.46/855.69 = 484.94/x
  3. Step 3: Cross multiply
    568.46x = 855.69 × 484.94
  4. Step 4: Simplify right side
    568.46x = 414,958.31
  5. Step 5: Solve for x
    x = 414,958.31/568.46
  6. Step 6: Final answer
    x = 729.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.