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Finding the Fourth Proportional to 896.32, 1,233.55 and 758.25

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Solution

The fourth proportional to 896.32, 1,233.55 and 758.25 is: 1,043.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.32 : 1,233.55 = 758.25 : x
  2. Step 2: Convert to fraction form
    896.32/1,233.55 = 758.25/x
  3. Step 3: Cross multiply
    896.32x = 1,233.55 × 758.25
  4. Step 4: Simplify right side
    896.32x = 935,337.39
  5. Step 5: Solve for x
    x = 935,337.39/896.32
  6. Step 6: Final answer
    x = 1,043.53

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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.