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Finding the Fourth Proportional to 365.22, 547.83 and 357.48

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Solution

The fourth proportional to 365.22, 547.83 and 357.48 is: 536.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.22 : 547.83 = 357.48 : x
  2. Step 2: Convert to fraction form
    365.22/547.83 = 357.48/x
  3. Step 3: Cross multiply
    365.22x = 547.83 × 357.48
  4. Step 4: Simplify right side
    365.22x = 195,838.27
  5. Step 5: Solve for x
    x = 195,838.27/365.22
  6. Step 6: Final answer
    x = 536.22

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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.