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Finding the Fourth Proportional to 273, 376.59 and 199.35

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Solution

The fourth proportional to 273, 376.59 and 199.35 is: 274.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    273 : 376.59 = 199.35 : x
  2. Step 2: Convert to fraction form
    273/376.59 = 199.35/x
  3. Step 3: Cross multiply
    273x = 376.59 × 199.35
  4. Step 4: Simplify right side
    273x = 75,073.22
  5. Step 5: Solve for x
    x = 75,073.22/273
  6. Step 6: Final answer
    x = 274.99

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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.