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Finding the Fourth Proportional to 792.94, 1,094.22 and 443.62

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Solution

The fourth proportional to 792.94, 1,094.22 and 443.62 is: 612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.94 : 1,094.22 = 443.62 : x
  2. Step 2: Convert to fraction form
    792.94/1,094.22 = 443.62/x
  3. Step 3: Cross multiply
    792.94x = 1,094.22 × 443.62
  4. Step 4: Simplify right side
    792.94x = 485,417.88
  5. Step 5: Solve for x
    x = 485,417.88/792.94
  6. Step 6: Final answer
    x = 612.17

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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.