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Finding the Fourth Proportional to 795.11, 1,191.15 and 383.67

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Solution

The fourth proportional to 795.11, 1,191.15 and 383.67 is: 574.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.11 : 1,191.15 = 383.67 : x
  2. Step 2: Convert to fraction form
    795.11/1,191.15 = 383.67/x
  3. Step 3: Cross multiply
    795.11x = 1,191.15 × 383.67
  4. Step 4: Simplify right side
    795.11x = 457,008.52
  5. Step 5: Solve for x
    x = 457,008.52/795.11
  6. Step 6: Final answer
    x = 574.78

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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.