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Finding the Fourth Proportional to 574.75, 793.34 and 367.75

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Solution

The fourth proportional to 574.75, 793.34 and 367.75 is: 507.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.75 : 793.34 = 367.75 : x
  2. Step 2: Convert to fraction form
    574.75/793.34 = 367.75/x
  3. Step 3: Cross multiply
    574.75x = 793.34 × 367.75
  4. Step 4: Simplify right side
    574.75x = 291,750.79
  5. Step 5: Solve for x
    x = 291,750.79/574.75
  6. Step 6: Final answer
    x = 507.61

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Find fourth proportional to 287.38, 396.67 and 183.88
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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.