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Finding the Fourth Proportional to 802.28, 1,107.34 and 671.06

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Solution

The fourth proportional to 802.28, 1,107.34 and 671.06 is: 926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    802.28 : 1,107.34 = 671.06 : x
  2. Step 2: Convert to fraction form
    802.28/1,107.34 = 671.06/x
  3. Step 3: Cross multiply
    802.28x = 1,107.34 × 671.06
  4. Step 4: Simplify right side
    802.28x = 743,091.58
  5. Step 5: Solve for x
    x = 743,091.58/802.28
  6. Step 6: Final answer
    x = 926.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.