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Finding the Fourth Proportional to 626.52, 935.07 and 620.04

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Solution

The fourth proportional to 626.52, 935.07 and 620.04 is: 925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.52 : 935.07 = 620.04 : x
  2. Step 2: Convert to fraction form
    626.52/935.07 = 620.04/x
  3. Step 3: Cross multiply
    626.52x = 935.07 × 620.04
  4. Step 4: Simplify right side
    626.52x = 579,780.80
  5. Step 5: Solve for x
    x = 579,780.80/626.52
  6. Step 6: Final answer
    x = 925.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.