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Finding the Fourth Proportional to 795.56, 1,193.34 and 282.56

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Solution

The fourth proportional to 795.56, 1,193.34 and 282.56 is: 423.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.56 : 1,193.34 = 282.56 : x
  2. Step 2: Convert to fraction form
    795.56/1,193.34 = 282.56/x
  3. Step 3: Cross multiply
    795.56x = 1,193.34 × 282.56
  4. Step 4: Simplify right side
    795.56x = 337,190.15
  5. Step 5: Solve for x
    x = 337,190.15/795.56
  6. Step 6: Final answer
    x = 423.84

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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.