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Finding the Fourth Proportional to 373.05, 514.67 and 274.59

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Solution

The fourth proportional to 373.05, 514.67 and 274.59 is: 378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.05 : 514.67 = 274.59 : x
  2. Step 2: Convert to fraction form
    373.05/514.67 = 274.59/x
  3. Step 3: Cross multiply
    373.05x = 514.67 × 274.59
  4. Step 4: Simplify right side
    373.05x = 141,321.86
  5. Step 5: Solve for x
    x = 141,321.86/373.05
  6. Step 6: Final answer
    x = 378.83

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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.