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Finding the Fourth Proportional to 736.01, 1,015.67 and 441.26

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Solution

The fourth proportional to 736.01, 1,015.67 and 441.26 is: 608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.01 : 1,015.67 = 441.26 : x
  2. Step 2: Convert to fraction form
    736.01/1,015.67 = 441.26/x
  3. Step 3: Cross multiply
    736.01x = 1,015.67 × 441.26
  4. Step 4: Simplify right side
    736.01x = 448,174.54
  5. Step 5: Solve for x
    x = 448,174.54/736.01
  6. Step 6: Final answer
    x = 608.93

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1.5x scale

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.