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Finding the Fourth Proportional to 582.69, 804.20 and 372.97

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Solution

The fourth proportional to 582.69, 804.20 and 372.97 is: 514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.69 : 804.20 = 372.97 : x
  2. Step 2: Convert to fraction form
    582.69/804.20 = 372.97/x
  3. Step 3: Cross multiply
    582.69x = 804.20 × 372.97
  4. Step 4: Simplify right side
    582.69x = 299,942.47
  5. Step 5: Solve for x
    x = 299,942.47/582.69
  6. Step 6: Final answer
    x = 514.75

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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.