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Finding the Fourth Proportional to 412.11, 568.89 and 301.59

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Solution

The fourth proportional to 412.11, 568.89 and 301.59 is: 416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.11 : 568.89 = 301.59 : x
  2. Step 2: Convert to fraction form
    412.11/568.89 = 301.59/x
  3. Step 3: Cross multiply
    412.11x = 568.89 × 301.59
  4. Step 4: Simplify right side
    412.11x = 171,571.54
  5. Step 5: Solve for x
    x = 171,571.54/412.11
  6. Step 6: Final answer
    x = 416.32

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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.