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Finding the Fourth Proportional to 452.57, 627.39 and 437.45

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Solution

The fourth proportional to 452.57, 627.39 and 437.45 is: 606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.57 : 627.39 = 437.45 : x
  2. Step 2: Convert to fraction form
    452.57/627.39 = 437.45/x
  3. Step 3: Cross multiply
    452.57x = 627.39 × 437.45
  4. Step 4: Simplify right side
    452.57x = 274,448.62
  5. Step 5: Solve for x
    x = 274,448.62/452.57
  6. Step 6: Final answer
    x = 606.43

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.