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Finding the Fourth Proportional to 835.25, 1,252.08 and 445.01

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Solution

The fourth proportional to 835.25, 1,252.08 and 445.01 is: 667.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.25 : 1,252.08 = 445.01 : x
  2. Step 2: Convert to fraction form
    835.25/1,252.08 = 445.01/x
  3. Step 3: Cross multiply
    835.25x = 1,252.08 × 445.01
  4. Step 4: Simplify right side
    835.25x = 557,181.86
  5. Step 5: Solve for x
    x = 557,181.86/835.25
  6. Step 6: Final answer
    x = 667.09

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.