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Finding the Fourth Proportional to 440.05, 607.29 and 292.97

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Solution

The fourth proportional to 440.05, 607.29 and 292.97 is: 404.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.05 : 607.29 = 292.97 : x
  2. Step 2: Convert to fraction form
    440.05/607.29 = 292.97/x
  3. Step 3: Cross multiply
    440.05x = 607.29 × 292.97
  4. Step 4: Simplify right side
    440.05x = 177,917.75
  5. Step 5: Solve for x
    x = 177,917.75/440.05
  6. Step 6: Final answer
    x = 404.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.