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Finding the Fourth Proportional to 426.52, 636.67 and 366.04

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Solution

The fourth proportional to 426.52, 636.67 and 366.04 is: 546.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    426.52 : 636.67 = 366.04 : x
  2. Step 2: Convert to fraction form
    426.52/636.67 = 366.04/x
  3. Step 3: Cross multiply
    426.52x = 636.67 × 366.04
  4. Step 4: Simplify right side
    426.52x = 233,046.69
  5. Step 5: Solve for x
    x = 233,046.69/426.52
  6. Step 6: Final answer
    x = 546.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.