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Finding the Fourth Proportional to 936.99, 1,293.11 and 544.01

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Solution

The fourth proportional to 936.99, 1,293.11 and 544.01 is: 750.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    936.99 : 1,293.11 = 544.01 : x
  2. Step 2: Convert to fraction form
    936.99/1,293.11 = 544.01/x
  3. Step 3: Cross multiply
    936.99x = 1,293.11 × 544.01
  4. Step 4: Simplify right side
    936.99x = 703,464.77
  5. Step 5: Solve for x
    x = 703,464.77/936.99
  6. Step 6: Final answer
    x = 750.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.