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Finding the Fourth Proportional to 452.25, 623.79 and 353.82

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Solution

The fourth proportional to 452.25, 623.79 and 353.82 is: 488.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.25 : 623.79 = 353.82 : x
  2. Step 2: Convert to fraction form
    452.25/623.79 = 353.82/x
  3. Step 3: Cross multiply
    452.25x = 623.79 × 353.82
  4. Step 4: Simplify right side
    452.25x = 220,709.38
  5. Step 5: Solve for x
    x = 220,709.38/452.25
  6. Step 6: Final answer
    x = 488.03

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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.