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Finding the Fourth Proportional to 536.71, 804.83 and 331.23

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Solution

The fourth proportional to 536.71, 804.83 and 331.23 is: 496.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.71 : 804.83 = 331.23 : x
  2. Step 2: Convert to fraction form
    536.71/804.83 = 331.23/x
  3. Step 3: Cross multiply
    536.71x = 804.83 × 331.23
  4. Step 4: Simplify right side
    536.71x = 266,578.99
  5. Step 5: Solve for x
    x = 266,578.99/536.71
  6. Step 6: Final answer
    x = 496.69

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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.