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Finding the Fourth Proportional to 597.73, 890.43 and 579.59

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Solution

The fourth proportional to 597.73, 890.43 and 579.59 is: 863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.73 : 890.43 = 579.59 : x
  2. Step 2: Convert to fraction form
    597.73/890.43 = 579.59/x
  3. Step 3: Cross multiply
    597.73x = 890.43 × 579.59
  4. Step 4: Simplify right side
    597.73x = 516,081.04
  5. Step 5: Solve for x
    x = 516,081.04/597.73
  6. Step 6: Final answer
    x = 863.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.