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Finding the Fourth Proportional to 251.02, 346.80 and 185.41

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Solution

The fourth proportional to 251.02, 346.80 and 185.41 is: 256.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.02 : 346.80 = 185.41 : x
  2. Step 2: Convert to fraction form
    251.02/346.80 = 185.41/x
  3. Step 3: Cross multiply
    251.02x = 346.80 × 185.41
  4. Step 4: Simplify right side
    251.02x = 64,300.19
  5. Step 5: Solve for x
    x = 64,300.19/251.02
  6. Step 6: Final answer
    x = 256.16

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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.