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Finding the Fourth Proportional to 628.29, 942.44 and 506.25

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Solution

The fourth proportional to 628.29, 942.44 and 506.25 is: 759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    628.29 : 942.44 = 506.25 : x
  2. Step 2: Convert to fraction form
    628.29/942.44 = 506.25/x
  3. Step 3: Cross multiply
    628.29x = 942.44 × 506.25
  4. Step 4: Simplify right side
    628.29x = 477,107.72
  5. Step 5: Solve for x
    x = 477,107.72/628.29
  6. Step 6: Final answer
    x = 759.38

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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.