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Finding the Fourth Proportional to 295.52, 445.31 and 245.29

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Solution

The fourth proportional to 295.52, 445.31 and 245.29 is: 369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.52 : 445.31 = 245.29 : x
  2. Step 2: Convert to fraction form
    295.52/445.31 = 245.29/x
  3. Step 3: Cross multiply
    295.52x = 445.31 × 245.29
  4. Step 4: Simplify right side
    295.52x = 109,230.09
  5. Step 5: Solve for x
    x = 109,230.09/295.52
  6. Step 6: Final answer
    x = 369.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.