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Finding the Fourth Proportional to 575.12, 792.36 and 550.16

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Solution

The fourth proportional to 575.12, 792.36 and 550.16 is: 757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.12 : 792.36 = 550.16 : x
  2. Step 2: Convert to fraction form
    575.12/792.36 = 550.16/x
  3. Step 3: Cross multiply
    575.12x = 792.36 × 550.16
  4. Step 4: Simplify right side
    575.12x = 435,924.78
  5. Step 5: Solve for x
    x = 435,924.78/575.12
  6. Step 6: Final answer
    x = 757.97

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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.