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Finding the Fourth Proportional to 365.22, 548.01 and 235.17

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Solution

The fourth proportional to 365.22, 548.01 and 235.17 is: 352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.22 : 548.01 = 235.17 : x
  2. Step 2: Convert to fraction form
    365.22/548.01 = 235.17/x
  3. Step 3: Cross multiply
    365.22x = 548.01 × 235.17
  4. Step 4: Simplify right side
    365.22x = 128,875.51
  5. Step 5: Solve for x
    x = 128,875.51/365.22
  6. Step 6: Final answer
    x = 352.87

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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.