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Finding the Fourth Proportional to 597.80, 890.54 and 579.67

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Solution

The fourth proportional to 597.80, 890.54 and 579.67 is: 863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.80 : 890.54 = 579.67 : x
  2. Step 2: Convert to fraction form
    597.80/890.54 = 579.67/x
  3. Step 3: Cross multiply
    597.80x = 890.54 × 579.67
  4. Step 4: Simplify right side
    597.80x = 516,211.97
  5. Step 5: Solve for x
    x = 516,211.97/597.80
  6. Step 6: Final answer
    x = 863.52

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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.