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Finding the Fourth Proportional to 440.06, 606.59 and 292.44

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Solution

The fourth proportional to 440.06, 606.59 and 292.44 is: 403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.06 : 606.59 = 292.44 : x
  2. Step 2: Convert to fraction form
    440.06/606.59 = 292.44/x
  3. Step 3: Cross multiply
    440.06x = 606.59 × 292.44
  4. Step 4: Simplify right side
    440.06x = 177,387.97
  5. Step 5: Solve for x
    x = 177,387.97/440.06
  6. Step 6: Final answer
    x = 403.10

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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.