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Finding the Fourth Proportional to 366.65, 505.71 and 273.41

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Solution

The fourth proportional to 366.65, 505.71 and 273.41 is: 377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.65 : 505.71 = 273.41 : x
  2. Step 2: Convert to fraction form
    366.65/505.71 = 273.41/x
  3. Step 3: Cross multiply
    366.65x = 505.71 × 273.41
  4. Step 4: Simplify right side
    366.65x = 138,263.64
  5. Step 5: Solve for x
    x = 138,263.64/366.65
  6. Step 6: Final answer
    x = 377.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.