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Finding the Fourth Proportional to 273, 375.51 and 240.21

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Solution

The fourth proportional to 273, 375.51 and 240.21 is: 330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    273 : 375.51 = 240.21 : x
  2. Step 2: Convert to fraction form
    273/375.51 = 240.21/x
  3. Step 3: Cross multiply
    273x = 375.51 × 240.21
  4. Step 4: Simplify right side
    273x = 90,201.26
  5. Step 5: Solve for x
    x = 90,201.26/273
  6. Step 6: Final answer
    x = 330.41

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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.