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Finding the Fourth Proportional to 242.33, 364.16 and 174.22

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Solution

The fourth proportional to 242.33, 364.16 and 174.22 is: 261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.33 : 364.16 = 174.22 : x
  2. Step 2: Convert to fraction form
    242.33/364.16 = 174.22/x
  3. Step 3: Cross multiply
    242.33x = 364.16 × 174.22
  4. Step 4: Simplify right side
    242.33x = 63,443.48
  5. Step 5: Solve for x
    x = 63,443.48/242.33
  6. Step 6: Final answer
    x = 261.81

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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.