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Finding the Fourth Proportional to 161.60, 222.95 and 96.06

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Solution

The fourth proportional to 161.60, 222.95 and 96.06 is: 132.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.60 : 222.95 = 96.06 : x
  2. Step 2: Convert to fraction form
    161.60/222.95 = 96.06/x
  3. Step 3: Cross multiply
    161.60x = 222.95 × 96.06
  4. Step 4: Simplify right side
    161.60x = 21,416.10
  5. Step 5: Solve for x
    x = 21,416.10/161.60
  6. Step 6: Final answer
    x = 132.53

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Why These Related Problems?

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