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Finding the Fourth Proportional to 296.95, 445.16 and 159.83

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Solution

The fourth proportional to 296.95, 445.16 and 159.83 is: 239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.95 : 445.16 = 159.83 : x
  2. Step 2: Convert to fraction form
    296.95/445.16 = 159.83/x
  3. Step 3: Cross multiply
    296.95x = 445.16 × 159.83
  4. Step 4: Simplify right side
    296.95x = 71,152.27
  5. Step 5: Solve for x
    x = 71,152.27/296.95
  6. Step 6: Final answer
    x = 239.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.