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Finding the Fourth Proportional to 251.13, 374.03 and 247.34

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Solution

The fourth proportional to 251.13, 374.03 and 247.34 is: 368.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.13 : 374.03 = 247.34 : x
  2. Step 2: Convert to fraction form
    251.13/374.03 = 247.34/x
  3. Step 3: Cross multiply
    251.13x = 374.03 × 247.34
  4. Step 4: Simplify right side
    251.13x = 92,513.21
  5. Step 5: Solve for x
    x = 92,513.21/251.13
  6. Step 6: Final answer
    x = 368.38

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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.