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Finding the Fourth Proportional to 275.04, 414.12 and 272.34

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Solution

The fourth proportional to 275.04, 414.12 and 272.34 is: 410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.04 : 414.12 = 272.34 : x
  2. Step 2: Convert to fraction form
    275.04/414.12 = 272.34/x
  3. Step 3: Cross multiply
    275.04x = 414.12 × 272.34
  4. Step 4: Simplify right side
    275.04x = 112,781.44
  5. Step 5: Solve for x
    x = 112,781.44/275.04
  6. Step 6: Final answer
    x = 410.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.