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Finding the Fourth Proportional to 453.00, 624.99 and 266.43

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Solution

The fourth proportional to 453.00, 624.99 and 266.43 is: 367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.00 : 624.99 = 266.43 : x
  2. Step 2: Convert to fraction form
    453.00/624.99 = 266.43/x
  3. Step 3: Cross multiply
    453.00x = 624.99 × 266.43
  4. Step 4: Simplify right side
    453.00x = 166,512.96
  5. Step 5: Solve for x
    x = 166,512.96/453.00
  6. Step 6: Final answer
    x = 367.58

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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.