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Finding the Fourth Proportional to 152.92, 229.62 and 120.52

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Solution

The fourth proportional to 152.92, 229.62 and 120.52 is: 180.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.92 : 229.62 = 120.52 : x
  2. Step 2: Convert to fraction form
    152.92/229.62 = 120.52/x
  3. Step 3: Cross multiply
    152.92x = 229.62 × 120.52
  4. Step 4: Simplify right side
    152.92x = 27,672.65
  5. Step 5: Solve for x
    x = 27,672.65/152.92
  6. Step 6: Final answer
    x = 180.97

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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.