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Finding the Fourth Proportional to 622, 935.03 and 576.91

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Solution

The fourth proportional to 622, 935.03 and 576.91 is: 867.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    622 : 935.03 = 576.91 : x
  2. Step 2: Convert to fraction form
    622/935.03 = 576.91/x
  3. Step 3: Cross multiply
    622x = 935.03 × 576.91
  4. Step 4: Simplify right side
    622x = 539,428.16
  5. Step 5: Solve for x
    x = 539,428.16/622
  6. Step 6: Final answer
    x = 867.25

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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.