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Finding the Fourth Proportional to 363.58, 544.91 and 190.16

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Solution

The fourth proportional to 363.58, 544.91 and 190.16 is: 285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.58 : 544.91 = 190.16 : x
  2. Step 2: Convert to fraction form
    363.58/544.91 = 190.16/x
  3. Step 3: Cross multiply
    363.58x = 544.91 × 190.16
  4. Step 4: Simplify right side
    363.58x = 103,617.84
  5. Step 5: Solve for x
    x = 103,617.84/363.58
  6. Step 6: Final answer
    x = 285.00

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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.