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Finding the Fourth Proportional to 512.22, 707.06 and 441.04

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Solution

The fourth proportional to 512.22, 707.06 and 441.04 is: 608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    512.22 : 707.06 = 441.04 : x
  2. Step 2: Convert to fraction form
    512.22/707.06 = 441.04/x
  3. Step 3: Cross multiply
    512.22x = 707.06 × 441.04
  4. Step 4: Simplify right side
    512.22x = 311,841.74
  5. Step 5: Solve for x
    x = 311,841.74/512.22
  6. Step 6: Final answer
    x = 608.80

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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.