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Finding the Fourth Proportional to 902.44, 1,245.51 and 529.44

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Solution

The fourth proportional to 902.44, 1,245.51 and 529.44 is: 730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    902.44 : 1,245.51 = 529.44 : x
  2. Step 2: Convert to fraction form
    902.44/1,245.51 = 529.44/x
  3. Step 3: Cross multiply
    902.44x = 1,245.51 × 529.44
  4. Step 4: Simplify right side
    902.44x = 659,418.14
  5. Step 5: Solve for x
    x = 659,418.14/902.44
  6. Step 6: Final answer
    x = 730.70

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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.