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Finding the Fourth Proportional to 654.83, 982.38 and 192.62

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Solution

The fourth proportional to 654.83, 982.38 and 192.62 is: 288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.83 : 982.38 = 192.62 : x
  2. Step 2: Convert to fraction form
    654.83/982.38 = 192.62/x
  3. Step 3: Cross multiply
    654.83x = 982.38 × 192.62
  4. Step 4: Simplify right side
    654.83x = 189,226.04
  5. Step 5: Solve for x
    x = 189,226.04/654.83
  6. Step 6: Final answer
    x = 288.97

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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.