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Finding the Fourth Proportional to 362.44, 542.82 and 284.86

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Solution

The fourth proportional to 362.44, 542.82 and 284.86 is: 426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.44 : 542.82 = 284.86 : x
  2. Step 2: Convert to fraction form
    362.44/542.82 = 284.86/x
  3. Step 3: Cross multiply
    362.44x = 542.82 × 284.86
  4. Step 4: Simplify right side
    362.44x = 154,627.71
  5. Step 5: Solve for x
    x = 154,627.71/362.44
  6. Step 6: Final answer
    x = 426.63

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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.