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Finding the Fourth Proportional to 792.24, 1,094.21 and 635.28

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Solution

The fourth proportional to 792.24, 1,094.21 and 635.28 is: 877.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.24 : 1,094.21 = 635.28 : x
  2. Step 2: Convert to fraction form
    792.24/1,094.21 = 635.28/x
  3. Step 3: Cross multiply
    792.24x = 1,094.21 × 635.28
  4. Step 4: Simplify right side
    792.24x = 695,129.73
  5. Step 5: Solve for x
    x = 695,129.73/792.24
  6. Step 6: Final answer
    x = 877.42

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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.