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Finding the Fourth Proportional to 412.43, 568.62 and 301.86

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Solution

The fourth proportional to 412.43, 568.62 and 301.86 is: 416.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.43 : 568.62 = 301.86 : x
  2. Step 2: Convert to fraction form
    412.43/568.62 = 301.86/x
  3. Step 3: Cross multiply
    412.43x = 568.62 × 301.86
  4. Step 4: Simplify right side
    412.43x = 171,643.63
  5. Step 5: Solve for x
    x = 171,643.63/412.43
  6. Step 6: Final answer
    x = 416.18

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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.