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Finding the Fourth Proportional to 662.27, 992.77 and 373.73

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Solution

The fourth proportional to 662.27, 992.77 and 373.73 is: 560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.27 : 992.77 = 373.73 : x
  2. Step 2: Convert to fraction form
    662.27/992.77 = 373.73/x
  3. Step 3: Cross multiply
    662.27x = 992.77 × 373.73
  4. Step 4: Simplify right side
    662.27x = 371,022.03
  5. Step 5: Solve for x
    x = 371,022.03/662.27
  6. Step 6: Final answer
    x = 560.23

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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.