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Finding the Fourth Proportional to 265.02, 365.44 and 228.30

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Solution

The fourth proportional to 265.02, 365.44 and 228.30 is: 314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.02 : 365.44 = 228.30 : x
  2. Step 2: Convert to fraction form
    265.02/365.44 = 228.30/x
  3. Step 3: Cross multiply
    265.02x = 365.44 × 228.30
  4. Step 4: Simplify right side
    265.02x = 83,429.95
  5. Step 5: Solve for x
    x = 83,429.95/265.02
  6. Step 6: Final answer
    x = 314.81

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