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Finding the Fourth Proportional to 265.16, 364.90 and 245.32

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Solution

The fourth proportional to 265.16, 364.90 and 245.32 is: 337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.16 : 364.90 = 245.32 : x
  2. Step 2: Convert to fraction form
    265.16/364.90 = 245.32/x
  3. Step 3: Cross multiply
    265.16x = 364.90 × 245.32
  4. Step 4: Simplify right side
    265.16x = 89,517.27
  5. Step 5: Solve for x
    x = 89,517.27/265.16
  6. Step 6: Final answer
    x = 337.60

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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.