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Finding the Fourth Proportional to 441.99, 609.95 and 240.11

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Solution

The fourth proportional to 441.99, 609.95 and 240.11 is: 331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.99 : 609.95 = 240.11 : x
  2. Step 2: Convert to fraction form
    441.99/609.95 = 240.11/x
  3. Step 3: Cross multiply
    441.99x = 609.95 × 240.11
  4. Step 4: Simplify right side
    441.99x = 146,455.09
  5. Step 5: Solve for x
    x = 146,455.09/441.99
  6. Step 6: Final answer
    x = 331.35

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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.