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Finding the Fourth Proportional to 1,604.53, 2,407.20 and 450.28

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Solution

The fourth proportional to 1,604.53, 2,407.20 and 450.28 is: 675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.53 : 2,407.20 = 450.28 : x
  2. Step 2: Convert to fraction form
    1,604.53/2,407.20 = 450.28/x
  3. Step 3: Cross multiply
    1,604.53x = 2,407.20 × 450.28
  4. Step 4: Simplify right side
    1,604.53x = 1,083,917.87
  5. Step 5: Solve for x
    x = 1,083,917.87/1,604.53
  6. Step 6: Final answer
    x = 675.54

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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.