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Finding the Fourth Proportional to 999.59, 1,499.02 and 341.33

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Solution

The fourth proportional to 999.59, 1,499.02 and 341.33 is: 511.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    999.59 : 1,499.02 = 341.33 : x
  2. Step 2: Convert to fraction form
    999.59/1,499.02 = 341.33/x
  3. Step 3: Cross multiply
    999.59x = 1,499.02 × 341.33
  4. Step 4: Simplify right side
    999.59x = 511,663.39
  5. Step 5: Solve for x
    x = 511,663.39/999.59
  6. Step 6: Final answer
    x = 511.88

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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.