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Finding the Fourth Proportional to 273.30, 377.08 and 162.68

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Solution

The fourth proportional to 273.30, 377.08 and 162.68 is: 224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.30 : 377.08 = 162.68 : x
  2. Step 2: Convert to fraction form
    273.30/377.08 = 162.68/x
  3. Step 3: Cross multiply
    273.30x = 377.08 × 162.68
  4. Step 4: Simplify right side
    273.30x = 61,343.37
  5. Step 5: Solve for x
    x = 61,343.37/273.30
  6. Step 6: Final answer
    x = 224.45

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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.