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Finding the Fourth Proportional to 796.23, 1,192.50 and 634.01

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Solution

The fourth proportional to 796.23, 1,192.50 and 634.01 is: 949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.23 : 1,192.50 = 634.01 : x
  2. Step 2: Convert to fraction form
    796.23/1,192.50 = 634.01/x
  3. Step 3: Cross multiply
    796.23x = 1,192.50 × 634.01
  4. Step 4: Simplify right side
    796.23x = 756,050.96
  5. Step 5: Solve for x
    x = 756,050.96/796.23
  6. Step 6: Final answer
    x = 949.54

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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.