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Finding the Fourth Proportional to 159.26, 220.19 and 110.50

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Solution

The fourth proportional to 159.26, 220.19 and 110.50 is: 152.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.26 : 220.19 = 110.50 : x
  2. Step 2: Convert to fraction form
    159.26/220.19 = 110.50/x
  3. Step 3: Cross multiply
    159.26x = 220.19 × 110.50
  4. Step 4: Simplify right side
    159.26x = 24,330.72
  5. Step 5: Solve for x
    x = 24,330.72/159.26
  6. Step 6: Final answer
    x = 152.77

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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.