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Finding the Fourth Proportional to 452.70, 625.31 and 334.91

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Solution

The fourth proportional to 452.70, 625.31 and 334.91 is: 462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.70 : 625.31 = 334.91 : x
  2. Step 2: Convert to fraction form
    452.70/625.31 = 334.91/x
  3. Step 3: Cross multiply
    452.70x = 625.31 × 334.91
  4. Step 4: Simplify right side
    452.70x = 209,420.90
  5. Step 5: Solve for x
    x = 209,420.90/452.70
  6. Step 6: Final answer
    x = 462.61

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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.