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Finding the Fourth Proportional to 50.56, 69.89 and 46.06

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Solution

The fourth proportional to 50.56, 69.89 and 46.06 is: 63.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.56 : 69.89 = 46.06 : x
  2. Step 2: Convert to fraction form
    50.56/69.89 = 46.06/x
  3. Step 3: Cross multiply
    50.56x = 69.89 × 46.06
  4. Step 4: Simplify right side
    50.56x = 3,219.25
  5. Step 5: Solve for x
    x = 3,219.25/50.56
  6. Step 6: Final answer
    x = 63.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.