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Finding the Fourth Proportional to 867.52, 1,197.14 and 535.88

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Solution

The fourth proportional to 867.52, 1,197.14 and 535.88 is: 739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    867.52 : 1,197.14 = 535.88 : x
  2. Step 2: Convert to fraction form
    867.52/1,197.14 = 535.88/x
  3. Step 3: Cross multiply
    867.52x = 1,197.14 × 535.88
  4. Step 4: Simplify right side
    867.52x = 641,523.38
  5. Step 5: Solve for x
    x = 641,523.38/867.52
  6. Step 6: Final answer
    x = 739.49

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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.