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Finding the Fourth Proportional to 533.72, 794.93 and 531.09

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Solution

The fourth proportional to 533.72, 794.93 and 531.09 is: 791.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.72 : 794.93 = 531.09 : x
  2. Step 2: Convert to fraction form
    533.72/794.93 = 531.09/x
  3. Step 3: Cross multiply
    533.72x = 794.93 × 531.09
  4. Step 4: Simplify right side
    533.72x = 422,176.72
  5. Step 5: Solve for x
    x = 422,176.72/533.72
  6. Step 6: Final answer
    x = 791.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.