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Finding the Fourth Proportional to 483.14, 666.60 and 273.32

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Solution

The fourth proportional to 483.14, 666.60 and 273.32 is: 377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.14 : 666.60 = 273.32 : x
  2. Step 2: Convert to fraction form
    483.14/666.60 = 273.32/x
  3. Step 3: Cross multiply
    483.14x = 666.60 × 273.32
  4. Step 4: Simplify right side
    483.14x = 182,195.11
  5. Step 5: Solve for x
    x = 182,195.11/483.14
  6. Step 6: Final answer
    x = 377.11

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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.