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Finding the Fourth Proportional to 160.88, 222.08 and 114.26

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Solution

The fourth proportional to 160.88, 222.08 and 114.26 is: 157.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.88 : 222.08 = 114.26 : x
  2. Step 2: Convert to fraction form
    160.88/222.08 = 114.26/x
  3. Step 3: Cross multiply
    160.88x = 222.08 × 114.26
  4. Step 4: Simplify right side
    160.88x = 25,373.18
  5. Step 5: Solve for x
    x = 25,373.18/160.88
  6. Step 6: Final answer
    x = 157.72

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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.