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Finding the Fourth Proportional to 250.06, 376.81 and 207.67

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Solution

The fourth proportional to 250.06, 376.81 and 207.67 is: 312.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.06 : 376.81 = 207.67 : x
  2. Step 2: Convert to fraction form
    250.06/376.81 = 207.67/x
  3. Step 3: Cross multiply
    250.06x = 376.81 × 207.67
  4. Step 4: Simplify right side
    250.06x = 78,252.13
  5. Step 5: Solve for x
    x = 78,252.13/250.06
  6. Step 6: Final answer
    x = 312.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.