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Finding the Fourth Proportional to 452.82, 625.15 and 297.84

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Solution

The fourth proportional to 452.82, 625.15 and 297.84 is: 411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.82 : 625.15 = 297.84 : x
  2. Step 2: Convert to fraction form
    452.82/625.15 = 297.84/x
  3. Step 3: Cross multiply
    452.82x = 625.15 × 297.84
  4. Step 4: Simplify right side
    452.82x = 186,194.68
  5. Step 5: Solve for x
    x = 186,194.68/452.82
  6. Step 6: Final answer
    x = 411.19

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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.