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Finding the Fourth Proportional to 150.60, 225.12 and 146.96

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Solution

The fourth proportional to 150.60, 225.12 and 146.96 is: 219.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.60 : 225.12 = 146.96 : x
  2. Step 2: Convert to fraction form
    150.60/225.12 = 146.96/x
  3. Step 3: Cross multiply
    150.60x = 225.12 × 146.96
  4. Step 4: Simplify right side
    150.60x = 33,082.51
  5. Step 5: Solve for x
    x = 33,082.51/150.60
  6. Step 6: Final answer
    x = 219.67

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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.