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Finding the Fourth Proportional to 440.01, 606.99 and 292.59

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Solution

The fourth proportional to 440.01, 606.99 and 292.59 is: 403.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.01 : 606.99 = 292.59 : x
  2. Step 2: Convert to fraction form
    440.01/606.99 = 292.59/x
  3. Step 3: Cross multiply
    440.01x = 606.99 × 292.59
  4. Step 4: Simplify right side
    440.01x = 177,599.20
  5. Step 5: Solve for x
    x = 177,599.20/440.01
  6. Step 6: Final answer
    x = 403.63

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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.