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Finding the Fourth Proportional to 303.59, 418.85 and 185.52

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Solution

The fourth proportional to 303.59, 418.85 and 185.52 is: 255.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.59 : 418.85 = 185.52 : x
  2. Step 2: Convert to fraction form
    303.59/418.85 = 185.52/x
  3. Step 3: Cross multiply
    303.59x = 418.85 × 185.52
  4. Step 4: Simplify right side
    303.59x = 77,705.67
  5. Step 5: Solve for x
    x = 77,705.67/303.59
  6. Step 6: Final answer
    x = 255.96

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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.