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Finding the Fourth Proportional to 134.89, 202.26 and 116.93

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Solution

The fourth proportional to 134.89, 202.26 and 116.93 is: 175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.89 : 202.26 = 116.93 : x
  2. Step 2: Convert to fraction form
    134.89/202.26 = 116.93/x
  3. Step 3: Cross multiply
    134.89x = 202.26 × 116.93
  4. Step 4: Simplify right side
    134.89x = 23,650.26
  5. Step 5: Solve for x
    x = 23,650.26/134.89
  6. Step 6: Final answer
    x = 175.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.