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Finding the Fourth Proportional to 238.32, 357.06 and 176.34

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Solution

The fourth proportional to 238.32, 357.06 and 176.34 is: 264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.32 : 357.06 = 176.34 : x
  2. Step 2: Convert to fraction form
    238.32/357.06 = 176.34/x
  3. Step 3: Cross multiply
    238.32x = 357.06 × 176.34
  4. Step 4: Simplify right side
    238.32x = 62,963.96
  5. Step 5: Solve for x
    x = 62,963.96/238.32
  6. Step 6: Final answer
    x = 264.20

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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.