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Finding the Fourth Proportional to 446.16, 667.85 and 240.22

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Solution

The fourth proportional to 446.16, 667.85 and 240.22 is: 359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.16 : 667.85 = 240.22 : x
  2. Step 2: Convert to fraction form
    446.16/667.85 = 240.22/x
  3. Step 3: Cross multiply
    446.16x = 667.85 × 240.22
  4. Step 4: Simplify right side
    446.16x = 160,426.80
  5. Step 5: Solve for x
    x = 160,426.80/446.16
  6. Step 6: Final answer
    x = 359.57

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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.