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Finding the Fourth Proportional to 229.36, 316.32 and 150.67

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Solution

The fourth proportional to 229.36, 316.32 and 150.67 is: 207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.36 : 316.32 = 150.67 : x
  2. Step 2: Convert to fraction form
    229.36/316.32 = 150.67/x
  3. Step 3: Cross multiply
    229.36x = 316.32 × 150.67
  4. Step 4: Simplify right side
    229.36x = 47,659.93
  5. Step 5: Solve for x
    x = 47,659.93/229.36
  6. Step 6: Final answer
    x = 207.80

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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.