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Finding the Fourth Proportional to 244.94, 367.16 and 172.58

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Solution

The fourth proportional to 244.94, 367.16 and 172.58 is: 258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.94 : 367.16 = 172.58 : x
  2. Step 2: Convert to fraction form
    244.94/367.16 = 172.58/x
  3. Step 3: Cross multiply
    244.94x = 367.16 × 172.58
  4. Step 4: Simplify right side
    244.94x = 63,364.47
  5. Step 5: Solve for x
    x = 63,364.47/244.94
  6. Step 6: Final answer
    x = 258.69

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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.