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Finding the Fourth Proportional to 146.59, 219.27 and 103.25

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Solution

The fourth proportional to 146.59, 219.27 and 103.25 is: 154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.59 : 219.27 = 103.25 : x
  2. Step 2: Convert to fraction form
    146.59/219.27 = 103.25/x
  3. Step 3: Cross multiply
    146.59x = 219.27 × 103.25
  4. Step 4: Simplify right side
    146.59x = 22,639.63
  5. Step 5: Solve for x
    x = 22,639.63/146.59
  6. Step 6: Final answer
    x = 154.44

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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.