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Finding the Fourth Proportional to 414.69, 573.38 and 362.78

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Solution

The fourth proportional to 414.69, 573.38 and 362.78 is: 501.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    414.69 : 573.38 = 362.78 : x
  2. Step 2: Convert to fraction form
    414.69/573.38 = 362.78/x
  3. Step 3: Cross multiply
    414.69x = 573.38 × 362.78
  4. Step 4: Simplify right side
    414.69x = 208,006.12
  5. Step 5: Solve for x
    x = 208,006.12/414.69
  6. Step 6: Final answer
    x = 501.59

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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.