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Finding the Fourth Proportional to 251.27, 375.05 and 235.88

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Solution

The fourth proportional to 251.27, 375.05 and 235.88 is: 352.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.27 : 375.05 = 235.88 : x
  2. Step 2: Convert to fraction form
    251.27/375.05 = 235.88/x
  3. Step 3: Cross multiply
    251.27x = 375.05 × 235.88
  4. Step 4: Simplify right side
    251.27x = 88,465.59
  5. Step 5: Solve for x
    x = 88,465.59/251.27
  6. Step 6: Final answer
    x = 352.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.