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Finding the Fourth Proportional to 374.67, 562.04 and 158.31

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Solution

The fourth proportional to 374.67, 562.04 and 158.31 is: 237.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.67 : 562.04 = 158.31 : x
  2. Step 2: Convert to fraction form
    374.67/562.04 = 158.31/x
  3. Step 3: Cross multiply
    374.67x = 562.04 × 158.31
  4. Step 4: Simplify right side
    374.67x = 88,975.76
  5. Step 5: Solve for x
    x = 88,975.76/374.67
  6. Step 6: Final answer
    x = 237.48

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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.