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Finding the Fourth Proportional to 622.96, 935.52 and 514.96

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Solution

The fourth proportional to 622.96, 935.52 and 514.96 is: 773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.96 : 935.52 = 514.96 : x
  2. Step 2: Convert to fraction form
    622.96/935.52 = 514.96/x
  3. Step 3: Cross multiply
    622.96x = 935.52 × 514.96
  4. Step 4: Simplify right side
    622.96x = 481,751.11
  5. Step 5: Solve for x
    x = 481,751.11/622.96
  6. Step 6: Final answer
    x = 773.33

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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.