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Finding the Fourth Proportional to 834.41, 1,252.36 and 444.74

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Solution

The fourth proportional to 834.41, 1,252.36 and 444.74 is: 667.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    834.41 : 1,252.36 = 444.74 : x
  2. Step 2: Convert to fraction form
    834.41/1,252.36 = 444.74/x
  3. Step 3: Cross multiply
    834.41x = 1,252.36 × 444.74
  4. Step 4: Simplify right side
    834.41x = 556,968.88
  5. Step 5: Solve for x
    x = 556,968.88/834.41
  6. Step 6: Final answer
    x = 667.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.