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Finding the Fourth Proportional to 995.08, 1,493.82 and 792.04

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Solution

The fourth proportional to 995.08, 1,493.82 and 792.04 is: 1,189.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.08 : 1,493.82 = 792.04 : x
  2. Step 2: Convert to fraction form
    995.08/1,493.82 = 792.04/x
  3. Step 3: Cross multiply
    995.08x = 1,493.82 × 792.04
  4. Step 4: Simplify right side
    995.08x = 1,183,165.19
  5. Step 5: Solve for x
    x = 1,183,165.19/995.08
  6. Step 6: Final answer
    x = 1,189.02

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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.