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Finding the Fourth Proportional to 369.73, 556.75 and 267.73

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Solution

The fourth proportional to 369.73, 556.75 and 267.73 is: 403.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.73 : 556.75 = 267.73 : x
  2. Step 2: Convert to fraction form
    369.73/556.75 = 267.73/x
  3. Step 3: Cross multiply
    369.73x = 556.75 × 267.73
  4. Step 4: Simplify right side
    369.73x = 149,058.68
  5. Step 5: Solve for x
    x = 149,058.68/369.73
  6. Step 6: Final answer
    x = 403.16

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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.