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Finding the Fourth Proportional to 329.02, 453.35 and 273.66

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Solution

The fourth proportional to 329.02, 453.35 and 273.66 is: 377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.02 : 453.35 = 273.66 : x
  2. Step 2: Convert to fraction form
    329.02/453.35 = 273.66/x
  3. Step 3: Cross multiply
    329.02x = 453.35 × 273.66
  4. Step 4: Simplify right side
    329.02x = 124,063.76
  5. Step 5: Solve for x
    x = 124,063.76/329.02
  6. Step 6: Final answer
    x = 377.07

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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.