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Finding the Fourth Proportional to 799.89, 1,192.82 and 792.59

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Solution

The fourth proportional to 799.89, 1,192.82 and 792.59 is: 1,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    799.89 : 1,192.82 = 792.59 : x
  2. Step 2: Convert to fraction form
    799.89/1,192.82 = 792.59/x
  3. Step 3: Cross multiply
    799.89x = 1,192.82 × 792.59
  4. Step 4: Simplify right side
    799.89x = 945,417.20
  5. Step 5: Solve for x
    x = 945,417.20/799.89
  6. Step 6: Final answer
    x = 1,181.93

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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.