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Finding the Fourth Proportional to 735.73, 1,015.43 and 441.18

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Solution

The fourth proportional to 735.73, 1,015.43 and 441.18 is: 608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.73 : 1,015.43 = 441.18 : x
  2. Step 2: Convert to fraction form
    735.73/1,015.43 = 441.18/x
  3. Step 3: Cross multiply
    735.73x = 1,015.43 × 441.18
  4. Step 4: Simplify right side
    735.73x = 447,987.41
  5. Step 5: Solve for x
    x = 447,987.41/735.73
  6. Step 6: Final answer
    x = 608.90

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Double scale
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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.