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Finding the Fourth Proportional to 292.02, 440.33 and 267.81

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Solution

The fourth proportional to 292.02, 440.33 and 267.81 is: 403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.02 : 440.33 = 267.81 : x
  2. Step 2: Convert to fraction form
    292.02/440.33 = 267.81/x
  3. Step 3: Cross multiply
    292.02x = 440.33 × 267.81
  4. Step 4: Simplify right side
    292.02x = 117,923.44
  5. Step 5: Solve for x
    x = 117,923.44/292.02
  6. Step 6: Final answer
    x = 403.82

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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.