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Finding the Fourth Proportional to 292.41, 436.39 and 272.97

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Solution

The fourth proportional to 292.41, 436.39 and 272.97 is: 407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.41 : 436.39 = 272.97 : x
  2. Step 2: Convert to fraction form
    292.41/436.39 = 272.97/x
  3. Step 3: Cross multiply
    292.41x = 436.39 × 272.97
  4. Step 4: Simplify right side
    292.41x = 119,121.38
  5. Step 5: Solve for x
    x = 119,121.38/292.41
  6. Step 6: Final answer
    x = 407.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.