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Finding the Fourth Proportional to 452.70, 625.80 and 365.22

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Solution

The fourth proportional to 452.70, 625.80 and 365.22 is: 504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.70 : 625.80 = 365.22 : x
  2. Step 2: Convert to fraction form
    452.70/625.80 = 365.22/x
  3. Step 3: Cross multiply
    452.70x = 625.80 × 365.22
  4. Step 4: Simplify right side
    452.70x = 228,554.68
  5. Step 5: Solve for x
    x = 228,554.68/452.70
  6. Step 6: Final answer
    x = 504.87

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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.