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Finding the Fourth Proportional to 214.60, 296.43 and 168.55

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Solution

The fourth proportional to 214.60, 296.43 and 168.55 is: 232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.60 : 296.43 = 168.55 : x
  2. Step 2: Convert to fraction form
    214.60/296.43 = 168.55/x
  3. Step 3: Cross multiply
    214.60x = 296.43 × 168.55
  4. Step 4: Simplify right side
    214.60x = 49,963.28
  5. Step 5: Solve for x
    x = 49,963.28/214.60
  6. Step 6: Final answer
    x = 232.82

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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.