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Finding the Fourth Proportional to 273.02, 374.31 and 260.27

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Solution

The fourth proportional to 273.02, 374.31 and 260.27 is: 356.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.02 : 374.31 = 260.27 : x
  2. Step 2: Convert to fraction form
    273.02/374.31 = 260.27/x
  3. Step 3: Cross multiply
    273.02x = 374.31 × 260.27
  4. Step 4: Simplify right side
    273.02x = 97,421.66
  5. Step 5: Solve for x
    x = 97,421.66/273.02
  6. Step 6: Final answer
    x = 356.83

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.