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Finding the Fourth Proportional to 214.33, 321.75 and 180.52

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Solution

The fourth proportional to 214.33, 321.75 and 180.52 is: 270.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.33 : 321.75 = 180.52 : x
  2. Step 2: Convert to fraction form
    214.33/321.75 = 180.52/x
  3. Step 3: Cross multiply
    214.33x = 321.75 × 180.52
  4. Step 4: Simplify right side
    214.33x = 58,082.31
  5. Step 5: Solve for x
    x = 58,082.31/214.33
  6. Step 6: Final answer
    x = 270.99

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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.