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Finding the Fourth Proportional to 620.90, 927.68 and 599.37

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Solution

The fourth proportional to 620.90, 927.68 and 599.37 is: 895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    620.90 : 927.68 = 599.37 : x
  2. Step 2: Convert to fraction form
    620.90/927.68 = 599.37/x
  3. Step 3: Cross multiply
    620.90x = 927.68 × 599.37
  4. Step 4: Simplify right side
    620.90x = 556,023.56
  5. Step 5: Solve for x
    x = 556,023.56/620.90
  6. Step 6: Final answer
    x = 895.51

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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.