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Finding the Fourth Proportional to 251.01, 374.37 and 242.30

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Solution

The fourth proportional to 251.01, 374.37 and 242.30 is: 361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.01 : 374.37 = 242.30 : x
  2. Step 2: Convert to fraction form
    251.01/374.37 = 242.30/x
  3. Step 3: Cross multiply
    251.01x = 374.37 × 242.30
  4. Step 4: Simplify right side
    251.01x = 90,709.85
  5. Step 5: Solve for x
    x = 90,709.85/251.01
  6. Step 6: Final answer
    x = 361.38

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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.