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Finding the Fourth Proportional to 251.87, 375.01 and 250.65

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Solution

The fourth proportional to 251.87, 375.01 and 250.65 is: 373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.87 : 375.01 = 250.65 : x
  2. Step 2: Convert to fraction form
    251.87/375.01 = 250.65/x
  3. Step 3: Cross multiply
    251.87x = 375.01 × 250.65
  4. Step 4: Simplify right side
    251.87x = 93,995.63
  5. Step 5: Solve for x
    x = 93,995.63/251.87
  6. Step 6: Final answer
    x = 373.20

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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.