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Finding the Fourth Proportional to 466, 641.22 and 450.04

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Solution

The fourth proportional to 466, 641.22 and 450.04 is: 619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    466 : 641.22 = 450.04 : x
  2. Step 2: Convert to fraction form
    466/641.22 = 450.04/x
  3. Step 3: Cross multiply
    466x = 641.22 × 450.04
  4. Step 4: Simplify right side
    466x = 288,574.65
  5. Step 5: Solve for x
    x = 288,574.65/466
  6. Step 6: Final answer
    x = 619.26

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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.