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Finding the Fourth Proportional to 496.26, 684.54 and 349.02

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Solution

The fourth proportional to 496.26, 684.54 and 349.02 is: 481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.26 : 684.54 = 349.02 : x
  2. Step 2: Convert to fraction form
    496.26/684.54 = 349.02/x
  3. Step 3: Cross multiply
    496.26x = 684.54 × 349.02
  4. Step 4: Simplify right side
    496.26x = 238,918.15
  5. Step 5: Solve for x
    x = 238,918.15/496.26
  6. Step 6: Final answer
    x = 481.44

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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.