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Finding the Fourth Proportional to 146.29, 219.56 and 59.67

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Solution

The fourth proportional to 146.29, 219.56 and 59.67 is: 89.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.29 : 219.56 = 59.67 : x
  2. Step 2: Convert to fraction form
    146.29/219.56 = 59.67/x
  3. Step 3: Cross multiply
    146.29x = 219.56 × 59.67
  4. Step 4: Simplify right side
    146.29x = 13,100.30
  5. Step 5: Solve for x
    x = 13,100.30/146.29
  6. Step 6: Final answer
    x = 89.55

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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.