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Finding the Fourth Proportional to 245.18, 366.02 and 236.63

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Solution

The fourth proportional to 245.18, 366.02 and 236.63 is: 353.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.18 : 366.02 = 236.63 : x
  2. Step 2: Convert to fraction form
    245.18/366.02 = 236.63/x
  3. Step 3: Cross multiply
    245.18x = 366.02 × 236.63
  4. Step 4: Simplify right side
    245.18x = 86,610.13
  5. Step 5: Solve for x
    x = 86,610.13/245.18
  6. Step 6: Final answer
    x = 353.25

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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.