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Finding the Fourth Proportional to 453.04, 625.02 and 266.56

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Solution

The fourth proportional to 453.04, 625.02 and 266.56 is: 367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.04 : 625.02 = 266.56 : x
  2. Step 2: Convert to fraction form
    453.04/625.02 = 266.56/x
  3. Step 3: Cross multiply
    453.04x = 625.02 × 266.56
  4. Step 4: Simplify right side
    453.04x = 166,605.33
  5. Step 5: Solve for x
    x = 166,605.33/453.04
  6. Step 6: Final answer
    x = 367.75

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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.