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Finding the Fourth Proportional to 292.44, 436.12 and 268.81

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Solution

The fourth proportional to 292.44, 436.12 and 268.81 is: 400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.44 : 436.12 = 268.81 : x
  2. Step 2: Convert to fraction form
    292.44/436.12 = 268.81/x
  3. Step 3: Cross multiply
    292.44x = 436.12 × 268.81
  4. Step 4: Simplify right side
    292.44x = 117,233.42
  5. Step 5: Solve for x
    x = 117,233.42/292.44
  6. Step 6: Final answer
    x = 400.88

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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.