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Finding the Fourth Proportional to 239.72, 358.19 and 183.83

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Solution

The fourth proportional to 239.72, 358.19 and 183.83 is: 274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.72 : 358.19 = 183.83 : x
  2. Step 2: Convert to fraction form
    239.72/358.19 = 183.83/x
  3. Step 3: Cross multiply
    239.72x = 358.19 × 183.83
  4. Step 4: Simplify right side
    239.72x = 65,843.36
  5. Step 5: Solve for x
    x = 65,843.36/239.72
  6. Step 6: Final answer
    x = 274.67

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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.