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Finding the Fourth Proportional to 1,016.44, 1,524.69 and 286.07

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Solution

The fourth proportional to 1,016.44, 1,524.69 and 286.07 is: 429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.44 : 1,524.69 = 286.07 : x
  2. Step 2: Convert to fraction form
    1,016.44/1,524.69 = 286.07/x
  3. Step 3: Cross multiply
    1,016.44x = 1,524.69 × 286.07
  4. Step 4: Simplify right side
    1,016.44x = 436,168.07
  5. Step 5: Solve for x
    x = 436,168.07/1,016.44
  6. Step 6: Final answer
    x = 429.11

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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.