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Finding the Fourth Proportional to 802.22, 1,107.03 and 452.92

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Solution

The fourth proportional to 802.22, 1,107.03 and 452.92 is: 625.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    802.22 : 1,107.03 = 452.92 : x
  2. Step 2: Convert to fraction form
    802.22/1,107.03 = 452.92/x
  3. Step 3: Cross multiply
    802.22x = 1,107.03 × 452.92
  4. Step 4: Simplify right side
    802.22x = 501,396.03
  5. Step 5: Solve for x
    x = 501,396.03/802.22
  6. Step 6: Final answer
    x = 625.01

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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.