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Finding the Fourth Proportional to 268.37, 370.32 and 150.34

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Solution

The fourth proportional to 268.37, 370.32 and 150.34 is: 207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.37 : 370.32 = 150.34 : x
  2. Step 2: Convert to fraction form
    268.37/370.32 = 150.34/x
  3. Step 3: Cross multiply
    268.37x = 370.32 × 150.34
  4. Step 4: Simplify right side
    268.37x = 55,672.06
  5. Step 5: Solve for x
    x = 55,672.06/268.37
  6. Step 6: Final answer
    x = 207.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.