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Finding the Fourth Proportional to 435.32, 599.26 and 324.44

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Solution

The fourth proportional to 435.32, 599.26 and 324.44 is: 446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.32 : 599.26 = 324.44 : x
  2. Step 2: Convert to fraction form
    435.32/599.26 = 324.44/x
  3. Step 3: Cross multiply
    435.32x = 599.26 × 324.44
  4. Step 4: Simplify right side
    435.32x = 194,423.91
  5. Step 5: Solve for x
    x = 194,423.91/435.32
  6. Step 6: Final answer
    x = 446.62

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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.