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Finding the Fourth Proportional to 180.92, 250.35 and 154.66

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Solution

The fourth proportional to 180.92, 250.35 and 154.66 is: 214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.92 : 250.35 = 154.66 : x
  2. Step 2: Convert to fraction form
    180.92/250.35 = 154.66/x
  3. Step 3: Cross multiply
    180.92x = 250.35 × 154.66
  4. Step 4: Simplify right side
    180.92x = 38,719.13
  5. Step 5: Solve for x
    x = 38,719.13/180.92
  6. Step 6: Final answer
    x = 214.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.