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Finding the Fourth Proportional to 496.15, 743.94 and 203.57

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Solution

The fourth proportional to 496.15, 743.94 and 203.57 is: 305.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.15 : 743.94 = 203.57 : x
  2. Step 2: Convert to fraction form
    496.15/743.94 = 203.57/x
  3. Step 3: Cross multiply
    496.15x = 743.94 × 203.57
  4. Step 4: Simplify right side
    496.15x = 151,443.87
  5. Step 5: Solve for x
    x = 151,443.87/496.15
  6. Step 6: Final answer
    x = 305.24

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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.