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Finding the Fourth Proportional to 264.84, 397.56 and 234.15

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Solution

The fourth proportional to 264.84, 397.56 and 234.15 is: 351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.84 : 397.56 = 234.15 : x
  2. Step 2: Convert to fraction form
    264.84/397.56 = 234.15/x
  3. Step 3: Cross multiply
    264.84x = 397.56 × 234.15
  4. Step 4: Simplify right side
    264.84x = 93,088.67
  5. Step 5: Solve for x
    x = 93,088.67/264.84
  6. Step 6: Final answer
    x = 351.49

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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.