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Finding the Fourth Proportional to 906.41, 1,250.56 and 533.52

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Solution

The fourth proportional to 906.41, 1,250.56 and 533.52 is: 736.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    906.41 : 1,250.56 = 533.52 : x
  2. Step 2: Convert to fraction form
    906.41/1,250.56 = 533.52/x
  3. Step 3: Cross multiply
    906.41x = 1,250.56 × 533.52
  4. Step 4: Simplify right side
    906.41x = 667,197.44
  5. Step 5: Solve for x
    x = 667,197.44/906.41
  6. Step 6: Final answer
    x = 736.09

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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.