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Finding the Fourth Proportional to 605.18, 833.46 and 573.90

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Solution

The fourth proportional to 605.18, 833.46 and 573.90 is: 790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.18 : 833.46 = 573.90 : x
  2. Step 2: Convert to fraction form
    605.18/833.46 = 573.90/x
  3. Step 3: Cross multiply
    605.18x = 833.46 × 573.90
  4. Step 4: Simplify right side
    605.18x = 478,322.69
  5. Step 5: Solve for x
    x = 478,322.69/605.18
  6. Step 6: Final answer
    x = 790.38

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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.