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Finding the Fourth Proportional to 590.22, 884.61 and 433.80

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Solution

The fourth proportional to 590.22, 884.61 and 433.80 is: 650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.22 : 884.61 = 433.80 : x
  2. Step 2: Convert to fraction form
    590.22/884.61 = 433.80/x
  3. Step 3: Cross multiply
    590.22x = 884.61 × 433.80
  4. Step 4: Simplify right side
    590.22x = 383,743.82
  5. Step 5: Solve for x
    x = 383,743.82/590.22
  6. Step 6: Final answer
    x = 650.17

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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.