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Finding the Fourth Proportional to 590.50, 885.44 and 200.36

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Solution

The fourth proportional to 590.50, 885.44 and 200.36 is: 300.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.50 : 885.44 = 200.36 : x
  2. Step 2: Convert to fraction form
    590.50/885.44 = 200.36/x
  3. Step 3: Cross multiply
    590.50x = 885.44 × 200.36
  4. Step 4: Simplify right side
    590.50x = 177,409.47
  5. Step 5: Solve for x
    x = 177,409.47/590.50
  6. Step 6: Final answer
    x = 300.44

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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.