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Finding the Fourth Proportional to 273.49, 377.55 and 174.01

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Solution

The fourth proportional to 273.49, 377.55 and 174.01 is: 240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.49 : 377.55 = 174.01 : x
  2. Step 2: Convert to fraction form
    273.49/377.55 = 174.01/x
  3. Step 3: Cross multiply
    273.49x = 377.55 × 174.01
  4. Step 4: Simplify right side
    273.49x = 65,696.02
  5. Step 5: Solve for x
    x = 65,696.02/273.49
  6. Step 6: Final answer
    x = 240.21

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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.