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Finding the Fourth Proportional to 251.08, 346.25 and 151.48

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Solution

The fourth proportional to 251.08, 346.25 and 151.48 is: 208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.08 : 346.25 = 151.48 : x
  2. Step 2: Convert to fraction form
    251.08/346.25 = 151.48/x
  3. Step 3: Cross multiply
    251.08x = 346.25 × 151.48
  4. Step 4: Simplify right side
    251.08x = 52,448.22
  5. Step 5: Solve for x
    x = 52,448.22/251.08
  6. Step 6: Final answer
    x = 208.89

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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.