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Finding the Fourth Proportional to 370.37, 555.05 and 196.67

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Solution

The fourth proportional to 370.37, 555.05 and 196.67 is: 294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.37 : 555.05 = 196.67 : x
  2. Step 2: Convert to fraction form
    370.37/555.05 = 196.67/x
  3. Step 3: Cross multiply
    370.37x = 555.05 × 196.67
  4. Step 4: Simplify right side
    370.37x = 109,157.92
  5. Step 5: Solve for x
    x = 109,157.92/370.37
  6. Step 6: Final answer
    x = 294.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.