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Finding the Fourth Proportional to 159.26, 219.70 and 104.01

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Solution

The fourth proportional to 159.26, 219.70 and 104.01 is: 143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.26 : 219.70 = 104.01 : x
  2. Step 2: Convert to fraction form
    159.26/219.70 = 104.01/x
  3. Step 3: Cross multiply
    159.26x = 219.70 × 104.01
  4. Step 4: Simplify right side
    159.26x = 22,851.00
  5. Step 5: Solve for x
    x = 22,851.00/159.26
  6. Step 6: Final answer
    x = 143.48

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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.