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Finding the Fourth Proportional to 450.41, 621.41 and 273.32

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Solution

The fourth proportional to 450.41, 621.41 and 273.32 is: 377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.41 : 621.41 = 273.32 : x
  2. Step 2: Convert to fraction form
    450.41/621.41 = 273.32/x
  3. Step 3: Cross multiply
    450.41x = 621.41 × 273.32
  4. Step 4: Simplify right side
    450.41x = 169,842.41
  5. Step 5: Solve for x
    x = 169,842.41/450.41
  6. Step 6: Final answer
    x = 377.08

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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.