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Finding the Fourth Proportional to 504.13, 759.22 and 443.92

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Solution

The fourth proportional to 504.13, 759.22 and 443.92 is: 668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.13 : 759.22 = 443.92 : x
  2. Step 2: Convert to fraction form
    504.13/759.22 = 443.92/x
  3. Step 3: Cross multiply
    504.13x = 759.22 × 443.92
  4. Step 4: Simplify right side
    504.13x = 337,032.94
  5. Step 5: Solve for x
    x = 337,032.94/504.13
  6. Step 6: Final answer
    x = 668.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.