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Finding the Fourth Proportional to 496.06, 684.59 and 286.23

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Solution

The fourth proportional to 496.06, 684.59 and 286.23 is: 395.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.06 : 684.59 = 286.23 : x
  2. Step 2: Convert to fraction form
    496.06/684.59 = 286.23/x
  3. Step 3: Cross multiply
    496.06x = 684.59 × 286.23
  4. Step 4: Simplify right side
    496.06x = 195,951.33
  5. Step 5: Solve for x
    x = 195,951.33/496.06
  6. Step 6: Final answer
    x = 395.02

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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.