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Finding the Fourth Proportional to 150.85, 226.24 and 53.35

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Solution

The fourth proportional to 150.85, 226.24 and 53.35 is: 80.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.85 : 226.24 = 53.35 : x
  2. Step 2: Convert to fraction form
    150.85/226.24 = 53.35/x
  3. Step 3: Cross multiply
    150.85x = 226.24 × 53.35
  4. Step 4: Simplify right side
    150.85x = 12,069.90
  5. Step 5: Solve for x
    x = 12,069.90/150.85
  6. Step 6: Final answer
    x = 80.01

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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.