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Finding the Fourth Proportional to 397.34, 596.26 and 150.72

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Solution

The fourth proportional to 397.34, 596.26 and 150.72 is: 226.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.34 : 596.26 = 150.72 : x
  2. Step 2: Convert to fraction form
    397.34/596.26 = 150.72/x
  3. Step 3: Cross multiply
    397.34x = 596.26 × 150.72
  4. Step 4: Simplify right side
    397.34x = 89,868.31
  5. Step 5: Solve for x
    x = 89,868.31/397.34
  6. Step 6: Final answer
    x = 226.17

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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.