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Finding the Fourth Proportional to 793.87, 1,190.82 and 467.11

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Solution

The fourth proportional to 793.87, 1,190.82 and 467.11 is: 700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.87 : 1,190.82 = 467.11 : x
  2. Step 2: Convert to fraction form
    793.87/1,190.82 = 467.11/x
  3. Step 3: Cross multiply
    793.87x = 1,190.82 × 467.11
  4. Step 4: Simplify right side
    793.87x = 556,240.47
  5. Step 5: Solve for x
    x = 556,240.47/793.87
  6. Step 6: Final answer
    x = 700.67

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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.