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Finding the Fourth Proportional to 736.31, 1,016.11 and 441.58

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Solution

The fourth proportional to 736.31, 1,016.11 and 441.58 is: 609.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.31 : 1,016.11 = 441.58 : x
  2. Step 2: Convert to fraction form
    736.31/1,016.11 = 441.58/x
  3. Step 3: Cross multiply
    736.31x = 1,016.11 × 441.58
  4. Step 4: Simplify right side
    736.31x = 448,690.21
  5. Step 5: Solve for x
    x = 448,690.21/736.31
  6. Step 6: Final answer
    x = 609.37

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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.