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Finding the Fourth Proportional to 453.73, 627.29 and 434.36

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Solution

The fourth proportional to 453.73, 627.29 and 434.36 is: 600.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.73 : 627.29 = 434.36 : x
  2. Step 2: Convert to fraction form
    453.73/627.29 = 434.36/x
  3. Step 3: Cross multiply
    453.73x = 627.29 × 434.36
  4. Step 4: Simplify right side
    453.73x = 272,473.15
  5. Step 5: Solve for x
    x = 272,473.15/453.73
  6. Step 6: Final answer
    x = 600.52

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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.