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Finding the Fourth Proportional to 1,365.82, 2,048.76 and 441.47

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Solution

The fourth proportional to 1,365.82, 2,048.76 and 441.47 is: 662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365.82 : 2,048.76 = 441.47 : x
  2. Step 2: Convert to fraction form
    1,365.82/2,048.76 = 441.47/x
  3. Step 3: Cross multiply
    1,365.82x = 2,048.76 × 441.47
  4. Step 4: Simplify right side
    1,365.82x = 904,471.20
  5. Step 5: Solve for x
    x = 904,471.20/1,365.82
  6. Step 6: Final answer
    x = 662.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.