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Finding the Fourth Proportional to 292.03, 402.97 and 161.03

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Solution

The fourth proportional to 292.03, 402.97 and 161.03 is: 222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.03 : 402.97 = 161.03 : x
  2. Step 2: Convert to fraction form
    292.03/402.97 = 161.03/x
  3. Step 3: Cross multiply
    292.03x = 402.97 × 161.03
  4. Step 4: Simplify right side
    292.03x = 64,890.26
  5. Step 5: Solve for x
    x = 64,890.26/292.03
  6. Step 6: Final answer
    x = 222.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.