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Finding the Fourth Proportional to 605.67, 833.04 and 553.43

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Solution

The fourth proportional to 605.67, 833.04 and 553.43 is: 761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.67 : 833.04 = 553.43 : x
  2. Step 2: Convert to fraction form
    605.67/833.04 = 553.43/x
  3. Step 3: Cross multiply
    605.67x = 833.04 × 553.43
  4. Step 4: Simplify right side
    605.67x = 461,025.16
  5. Step 5: Solve for x
    x = 461,025.16/605.67
  6. Step 6: Final answer
    x = 761.18

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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.