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Finding the Fourth Proportional to 844.68, 1,165.26 and 534

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Solution

The fourth proportional to 844.68, 1,165.26 and 534 is: 736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.68 : 1,165.26 = 534 : x
  2. Step 2: Convert to fraction form
    844.68/1,165.26 = 534/x
  3. Step 3: Cross multiply
    844.68x = 1,165.26 × 534
  4. Step 4: Simplify right side
    844.68x = 622,248.84
  5. Step 5: Solve for x
    x = 622,248.84/844.68
  6. Step 6: Final answer
    x = 736.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.