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Finding the Fourth Proportional to 376.76, 519.72 and 273.08

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Solution

The fourth proportional to 376.76, 519.72 and 273.08 is: 376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.76 : 519.72 = 273.08 : x
  2. Step 2: Convert to fraction form
    376.76/519.72 = 273.08/x
  3. Step 3: Cross multiply
    376.76x = 519.72 × 273.08
  4. Step 4: Simplify right side
    376.76x = 141,925.14
  5. Step 5: Solve for x
    x = 141,925.14/376.76
  6. Step 6: Final answer
    x = 376.70

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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.