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Finding the Fourth Proportional to 792.84, 1,094.01 and 477.89

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Solution

The fourth proportional to 792.84, 1,094.01 and 477.89 is: 659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.84 : 1,094.01 = 477.89 : x
  2. Step 2: Convert to fraction form
    792.84/1,094.01 = 477.89/x
  3. Step 3: Cross multiply
    792.84x = 1,094.01 × 477.89
  4. Step 4: Simplify right side
    792.84x = 522,813.28
  5. Step 5: Solve for x
    x = 522,813.28/792.84
  6. Step 6: Final answer
    x = 659.42

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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.