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Finding the Fourth Proportional to 868.33, 1,197.46 and 573.08

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Solution

The fourth proportional to 868.33, 1,197.46 and 573.08 is: 790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    868.33 : 1,197.46 = 573.08 : x
  2. Step 2: Convert to fraction form
    868.33/1,197.46 = 573.08/x
  3. Step 3: Cross multiply
    868.33x = 1,197.46 × 573.08
  4. Step 4: Simplify right side
    868.33x = 686,240.38
  5. Step 5: Solve for x
    x = 686,240.38/868.33
  6. Step 6: Final answer
    x = 790.30

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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.