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Finding the Fourth Proportional to 832.87, 1,240.99 and 795.61

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Solution

The fourth proportional to 832.87, 1,240.99 and 795.61 is: 1,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    832.87 : 1,240.99 = 795.61 : x
  2. Step 2: Convert to fraction form
    832.87/1,240.99 = 795.61/x
  3. Step 3: Cross multiply
    832.87x = 1,240.99 × 795.61
  4. Step 4: Simplify right side
    832.87x = 987,344.05
  5. Step 5: Solve for x
    x = 987,344.05/832.87
  6. Step 6: Final answer
    x = 1,185.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.