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Finding the Fourth Proportional to 1,512.93, 2,269.59 and 539.04

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Solution

The fourth proportional to 1,512.93, 2,269.59 and 539.04 is: 808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.93 : 2,269.59 = 539.04 : x
  2. Step 2: Convert to fraction form
    1,512.93/2,269.59 = 539.04/x
  3. Step 3: Cross multiply
    1,512.93x = 2,269.59 × 539.04
  4. Step 4: Simplify right side
    1,512.93x = 1,223,399.79
  5. Step 5: Solve for x
    x = 1,223,399.79/1,512.93
  6. Step 6: Final answer
    x = 808.63

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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.