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Finding the Fourth Proportional to 245.84, 370.94 and 236.34

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Solution

The fourth proportional to 245.84, 370.94 and 236.34 is: 356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.84 : 370.94 = 236.34 : x
  2. Step 2: Convert to fraction form
    245.84/370.94 = 236.34/x
  3. Step 3: Cross multiply
    245.84x = 370.94 × 236.34
  4. Step 4: Simplify right side
    245.84x = 87,666.78
  5. Step 5: Solve for x
    x = 87,666.78/245.84
  6. Step 6: Final answer
    x = 356.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.