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Finding the Fourth Proportional to 620.61, 923.61 and 600.90

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Solution

The fourth proportional to 620.61, 923.61 and 600.90 is: 894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    620.61 : 923.61 = 600.90 : x
  2. Step 2: Convert to fraction form
    620.61/923.61 = 600.90/x
  3. Step 3: Cross multiply
    620.61x = 923.61 × 600.90
  4. Step 4: Simplify right side
    620.61x = 554,997.25
  5. Step 5: Solve for x
    x = 554,997.25/620.61
  6. Step 6: Final answer
    x = 894.28

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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.