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Finding the Fourth Proportional to 1,232.66, 1,849.72 and 539.31

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Solution

The fourth proportional to 1,232.66, 1,849.72 and 539.31 is: 809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.66 : 1,849.72 = 539.31 : x
  2. Step 2: Convert to fraction form
    1,232.66/1,849.72 = 539.31/x
  3. Step 3: Cross multiply
    1,232.66x = 1,849.72 × 539.31
  4. Step 4: Simplify right side
    1,232.66x = 997,570.96
  5. Step 5: Solve for x
    x = 997,570.96/1,232.66
  6. Step 6: Final answer
    x = 809.29

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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.