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Finding the Fourth Proportional to 356.46, 534.33 and 151.08

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Solution

The fourth proportional to 356.46, 534.33 and 151.08 is: 226.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.46 : 534.33 = 151.08 : x
  2. Step 2: Convert to fraction form
    356.46/534.33 = 151.08/x
  3. Step 3: Cross multiply
    356.46x = 534.33 × 151.08
  4. Step 4: Simplify right side
    356.46x = 80,726.58
  5. Step 5: Solve for x
    x = 80,726.58/356.46
  6. Step 6: Final answer
    x = 226.47

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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.