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Finding the Fourth Proportional to 622.02, 937.25 and 516.18

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Solution

The fourth proportional to 622.02, 937.25 and 516.18 is: 777.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.02 : 937.25 = 516.18 : x
  2. Step 2: Convert to fraction form
    622.02/937.25 = 516.18/x
  3. Step 3: Cross multiply
    622.02x = 937.25 × 516.18
  4. Step 4: Simplify right side
    622.02x = 483,787.12
  5. Step 5: Solve for x
    x = 483,787.12/622.02
  6. Step 6: Final answer
    x = 777.77

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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.