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Finding the Fourth Proportional to 251.85, 375.14 and 240.01

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Solution

The fourth proportional to 251.85, 375.14 and 240.01 is: 357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.85 : 375.14 = 240.01 : x
  2. Step 2: Convert to fraction form
    251.85/375.14 = 240.01/x
  3. Step 3: Cross multiply
    251.85x = 375.14 × 240.01
  4. Step 4: Simplify right side
    251.85x = 90,035.21
  5. Step 5: Solve for x
    x = 90,035.21/251.85
  6. Step 6: Final answer
    x = 357.50

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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.