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Finding the Fourth Proportional to 246.05, 369.08 and 101.78

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Solution

The fourth proportional to 246.05, 369.08 and 101.78 is: 152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.05 : 369.08 = 101.78 : x
  2. Step 2: Convert to fraction form
    246.05/369.08 = 101.78/x
  3. Step 3: Cross multiply
    246.05x = 369.08 × 101.78
  4. Step 4: Simplify right side
    246.05x = 37,562.61
  5. Step 5: Solve for x
    x = 37,562.61/246.05
  6. Step 6: Final answer
    x = 152.67

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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.