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Finding the Fourth Proportional to 364.66, 546.99 and 108.16

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Solution

The fourth proportional to 364.66, 546.99 and 108.16 is: 162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.66 : 546.99 = 108.16 : x
  2. Step 2: Convert to fraction form
    364.66/546.99 = 108.16/x
  3. Step 3: Cross multiply
    364.66x = 546.99 × 108.16
  4. Step 4: Simplify right side
    364.66x = 59,162.44
  5. Step 5: Solve for x
    x = 59,162.44/364.66
  6. Step 6: Final answer
    x = 162.24

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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.