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Finding the Fourth Proportional to 538.12, 808.44 and 333.19

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Solution

The fourth proportional to 538.12, 808.44 and 333.19 is: 500.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    538.12 : 808.44 = 333.19 : x
  2. Step 2: Convert to fraction form
    538.12/808.44 = 333.19/x
  3. Step 3: Cross multiply
    538.12x = 808.44 × 333.19
  4. Step 4: Simplify right side
    538.12x = 269,364.12
  5. Step 5: Solve for x
    x = 269,364.12/538.12
  6. Step 6: Final answer
    x = 500.57

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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.