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Finding the Fourth Proportional to 214.14, 295.48 and 144.31

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Solution

The fourth proportional to 214.14, 295.48 and 144.31 is: 199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.14 : 295.48 = 144.31 : x
  2. Step 2: Convert to fraction form
    214.14/295.48 = 144.31/x
  3. Step 3: Cross multiply
    214.14x = 295.48 × 144.31
  4. Step 4: Simplify right side
    214.14x = 42,640.72
  5. Step 5: Solve for x
    x = 42,640.72/214.14
  6. Step 6: Final answer
    x = 199.13

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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.