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Finding the Fourth Proportional to 617.16, 851.22 and 452.04

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Solution

The fourth proportional to 617.16, 851.22 and 452.04 is: 623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.16 : 851.22 = 452.04 : x
  2. Step 2: Convert to fraction form
    617.16/851.22 = 452.04/x
  3. Step 3: Cross multiply
    617.16x = 851.22 × 452.04
  4. Step 4: Simplify right side
    617.16x = 384,785.49
  5. Step 5: Solve for x
    x = 384,785.49/617.16
  6. Step 6: Final answer
    x = 623.48

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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.