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Finding the Fourth Proportional to 273.30, 375.15 and 240.52

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Solution

The fourth proportional to 273.30, 375.15 and 240.52 is: 330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.30 : 375.15 = 240.52 : x
  2. Step 2: Convert to fraction form
    273.30/375.15 = 240.52/x
  3. Step 3: Cross multiply
    273.30x = 375.15 × 240.52
  4. Step 4: Simplify right side
    273.30x = 90,231.08
  5. Step 5: Solve for x
    x = 90,231.08/273.30
  6. Step 6: Final answer
    x = 330.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.