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Finding the Fourth Proportional to 245.84, 368.96 and 197.24

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Solution

The fourth proportional to 245.84, 368.96 and 197.24 is: 296.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.84 : 368.96 = 197.24 : x
  2. Step 2: Convert to fraction form
    245.84/368.96 = 197.24/x
  3. Step 3: Cross multiply
    245.84x = 368.96 × 197.24
  4. Step 4: Simplify right side
    245.84x = 72,770.84
  5. Step 5: Solve for x
    x = 72,770.84/245.84
  6. Step 6: Final answer
    x = 296.01

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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.