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Finding the Fourth Proportional to 937.01, 1,293.01 and 517.28

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Solution

The fourth proportional to 937.01, 1,293.01 and 517.28 is: 713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.01 : 1,293.01 = 517.28 : x
  2. Step 2: Convert to fraction form
    937.01/1,293.01 = 517.28/x
  3. Step 3: Cross multiply
    937.01x = 1,293.01 × 517.28
  4. Step 4: Simplify right side
    937.01x = 668,848.21
  5. Step 5: Solve for x
    x = 668,848.21/937.01
  6. Step 6: Final answer
    x = 713.81

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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.