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Finding the Fourth Proportional to 662.05, 992.71 and 296.65

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Solution

The fourth proportional to 662.05, 992.71 and 296.65 is: 444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.05 : 992.71 = 296.65 : x
  2. Step 2: Convert to fraction form
    662.05/992.71 = 296.65/x
  3. Step 3: Cross multiply
    662.05x = 992.71 × 296.65
  4. Step 4: Simplify right side
    662.05x = 294,487.42
  5. Step 5: Solve for x
    x = 294,487.42/662.05
  6. Step 6: Final answer
    x = 444.81

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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.