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Finding the Fourth Proportional to 363.96, 546.57 and 283.86

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Solution

The fourth proportional to 363.96, 546.57 and 283.86 is: 426.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.96 : 546.57 = 283.86 : x
  2. Step 2: Convert to fraction form
    363.96/546.57 = 283.86/x
  3. Step 3: Cross multiply
    363.96x = 546.57 × 283.86
  4. Step 4: Simplify right side
    363.96x = 155,149.36
  5. Step 5: Solve for x
    x = 155,149.36/363.96
  6. Step 6: Final answer
    x = 426.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.