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Finding the Fourth Proportional to 826.73, 1,237.66 and 552.14

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Solution

The fourth proportional to 826.73, 1,237.66 and 552.14 is: 826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    826.73 : 1,237.66 = 552.14 : x
  2. Step 2: Convert to fraction form
    826.73/1,237.66 = 552.14/x
  3. Step 3: Cross multiply
    826.73x = 1,237.66 × 552.14
  4. Step 4: Simplify right side
    826.73x = 683,361.59
  5. Step 5: Solve for x
    x = 683,361.59/826.73
  6. Step 6: Final answer
    x = 826.58

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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.