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Finding the Fourth Proportional to 883.27, 1,324.93 and 493.06

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Solution

The fourth proportional to 883.27, 1,324.93 and 493.06 is: 739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.27 : 1,324.93 = 493.06 : x
  2. Step 2: Convert to fraction form
    883.27/1,324.93 = 493.06/x
  3. Step 3: Cross multiply
    883.27x = 1,324.93 × 493.06
  4. Step 4: Simplify right side
    883.27x = 653,269.99
  5. Step 5: Solve for x
    x = 653,269.99/883.27
  6. Step 6: Final answer
    x = 739.60

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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.