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Finding the Fourth Proportional to 270.95, 374.09 and 235.98

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Solution

The fourth proportional to 270.95, 374.09 and 235.98 is: 325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.95 : 374.09 = 235.98 : x
  2. Step 2: Convert to fraction form
    270.95/374.09 = 235.98/x
  3. Step 3: Cross multiply
    270.95x = 374.09 × 235.98
  4. Step 4: Simplify right side
    270.95x = 88,276.58
  5. Step 5: Solve for x
    x = 88,276.58/270.95
  6. Step 6: Final answer
    x = 325.81

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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.