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Finding the Fourth Proportional to 412.12, 568.61 and 246.26

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Solution

The fourth proportional to 412.12, 568.61 and 246.26 is: 339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.12 : 568.61 = 246.26 : x
  2. Step 2: Convert to fraction form
    412.12/568.61 = 246.26/x
  3. Step 3: Cross multiply
    412.12x = 568.61 × 246.26
  4. Step 4: Simplify right side
    412.12x = 140,025.90
  5. Step 5: Solve for x
    x = 140,025.90/412.12
  6. Step 6: Final answer
    x = 339.77

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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.