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Finding the Fourth Proportional to 452.92, 625.14 and 275.94

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Solution

The fourth proportional to 452.92, 625.14 and 275.94 is: 380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.92 : 625.14 = 275.94 : x
  2. Step 2: Convert to fraction form
    452.92/625.14 = 275.94/x
  3. Step 3: Cross multiply
    452.92x = 625.14 × 275.94
  4. Step 4: Simplify right side
    452.92x = 172,501.13
  5. Step 5: Solve for x
    x = 172,501.13/452.92
  6. Step 6: Final answer
    x = 380.86

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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.