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Finding the Fourth Proportional to 264.14, 364.56 and 242.18

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Solution

The fourth proportional to 264.14, 364.56 and 242.18 is: 334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.14 : 364.56 = 242.18 : x
  2. Step 2: Convert to fraction form
    264.14/364.56 = 242.18/x
  3. Step 3: Cross multiply
    264.14x = 364.56 × 242.18
  4. Step 4: Simplify right side
    264.14x = 88,289.14
  5. Step 5: Solve for x
    x = 88,289.14/264.14
  6. Step 6: Final answer
    x = 334.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.