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Finding the Fourth Proportional to 883.03, 1,324.23 and 266.57

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Solution

The fourth proportional to 883.03, 1,324.23 and 266.57 is: 399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.03 : 1,324.23 = 266.57 : x
  2. Step 2: Convert to fraction form
    883.03/1,324.23 = 266.57/x
  3. Step 3: Cross multiply
    883.03x = 1,324.23 × 266.57
  4. Step 4: Simplify right side
    883.03x = 352,999.99
  5. Step 5: Solve for x
    x = 352,999.99/883.03
  6. Step 6: Final answer
    x = 399.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.