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Finding the Fourth Proportional to 802.41, 1,203.71 and 225.29

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Solution

The fourth proportional to 802.41, 1,203.71 and 225.29 is: 337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    802.41 : 1,203.71 = 225.29 : x
  2. Step 2: Convert to fraction form
    802.41/1,203.71 = 225.29/x
  3. Step 3: Cross multiply
    802.41x = 1,203.71 × 225.29
  4. Step 4: Simplify right side
    802.41x = 271,176.68
  5. Step 5: Solve for x
    x = 271,176.68/802.41
  6. Step 6: Final answer
    x = 337.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.