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Finding the Fourth Proportional to 296.97, 445.80 and 295.65

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Solution

The fourth proportional to 296.97, 445.80 and 295.65 is: 443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.97 : 445.80 = 295.65 : x
  2. Step 2: Convert to fraction form
    296.97/445.80 = 295.65/x
  3. Step 3: Cross multiply
    296.97x = 445.80 × 295.65
  4. Step 4: Simplify right side
    296.97x = 131,800.77
  5. Step 5: Solve for x
    x = 131,800.77/296.97
  6. Step 6: Final answer
    x = 443.82

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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.