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Finding the Fourth Proportional to 296.08, 408.66 and 185.50

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Solution

The fourth proportional to 296.08, 408.66 and 185.50 is: 256.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.08 : 408.66 = 185.50 : x
  2. Step 2: Convert to fraction form
    296.08/408.66 = 185.50/x
  3. Step 3: Cross multiply
    296.08x = 408.66 × 185.50
  4. Step 4: Simplify right side
    296.08x = 75,806.43
  5. Step 5: Solve for x
    x = 75,806.43/296.08
  6. Step 6: Final answer
    x = 256.03

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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.