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Finding the Fourth Proportional to 896.25, 1,236.36 and 601.62

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Solution

The fourth proportional to 896.25, 1,236.36 and 601.62 is: 829.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.25 : 1,236.36 = 601.62 : x
  2. Step 2: Convert to fraction form
    896.25/1,236.36 = 601.62/x
  3. Step 3: Cross multiply
    896.25x = 1,236.36 × 601.62
  4. Step 4: Simplify right side
    896.25x = 743,818.90
  5. Step 5: Solve for x
    x = 743,818.90/896.25
  6. Step 6: Final answer
    x = 829.92

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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.