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Finding the Fourth Proportional to 251.32, 346.38 and 184.79

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Solution

The fourth proportional to 251.32, 346.38 and 184.79 is: 254.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.32 : 346.38 = 184.79 : x
  2. Step 2: Convert to fraction form
    251.32/346.38 = 184.79/x
  3. Step 3: Cross multiply
    251.32x = 346.38 × 184.79
  4. Step 4: Simplify right side
    251.32x = 64,008.43
  5. Step 5: Solve for x
    x = 64,008.43/251.32
  6. Step 6: Final answer
    x = 254.69

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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.