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Finding the Fourth Proportional to 296.73, 409.41 and 214.02

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Solution

The fourth proportional to 296.73, 409.41 and 214.02 is: 295.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.73 : 409.41 = 214.02 : x
  2. Step 2: Convert to fraction form
    296.73/409.41 = 214.02/x
  3. Step 3: Cross multiply
    296.73x = 409.41 × 214.02
  4. Step 4: Simplify right side
    296.73x = 87,621.93
  5. Step 5: Solve for x
    x = 87,621.93/296.73
  6. Step 6: Final answer
    x = 295.29

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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.