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Finding the Fourth Proportional to 356.48, 534.56 and 150.94

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Solution

The fourth proportional to 356.48, 534.56 and 150.94 is: 226.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.48 : 534.56 = 150.94 : x
  2. Step 2: Convert to fraction form
    356.48/534.56 = 150.94/x
  3. Step 3: Cross multiply
    356.48x = 534.56 × 150.94
  4. Step 4: Simplify right side
    356.48x = 80,685.53
  5. Step 5: Solve for x
    x = 80,685.53/356.48
  6. Step 6: Final answer
    x = 226.34

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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.