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Finding the Fourth Proportional to 844.11, 1,158.21 and 797.67

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Solution

The fourth proportional to 844.11, 1,158.21 and 797.67 is: 1,094.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.11 : 1,158.21 = 797.67 : x
  2. Step 2: Convert to fraction form
    844.11/1,158.21 = 797.67/x
  3. Step 3: Cross multiply
    844.11x = 1,158.21 × 797.67
  4. Step 4: Simplify right side
    844.11x = 923,869.37
  5. Step 5: Solve for x
    x = 923,869.37/844.11
  6. Step 6: Final answer
    x = 1,094.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.