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Finding the Fourth Proportional to 937.20, 1,293.38 and 544.26

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Solution

The fourth proportional to 937.20, 1,293.38 and 544.26 is: 751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.20 : 1,293.38 = 544.26 : x
  2. Step 2: Convert to fraction form
    937.20/1,293.38 = 544.26/x
  3. Step 3: Cross multiply
    937.20x = 1,293.38 × 544.26
  4. Step 4: Simplify right side
    937.20x = 703,935.00
  5. Step 5: Solve for x
    x = 703,935.00/937.20
  6. Step 6: Final answer
    x = 751.10

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Double scale
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1.5x scale

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.