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Finding the Fourth Proportional to 239.16, 358.74 and 184.89

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Solution

The fourth proportional to 239.16, 358.74 and 184.89 is: 277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.16 : 358.74 = 184.89 : x
  2. Step 2: Convert to fraction form
    239.16/358.74 = 184.89/x
  3. Step 3: Cross multiply
    239.16x = 358.74 × 184.89
  4. Step 4: Simplify right side
    239.16x = 66,327.44
  5. Step 5: Solve for x
    x = 66,327.44/239.16
  6. Step 6: Final answer
    x = 277.34

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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.