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Finding the Fourth Proportional to 228.24, 314.97 and 130.01

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Solution

The fourth proportional to 228.24, 314.97 and 130.01 is: 179.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    228.24 : 314.97 = 130.01 : x
  2. Step 2: Convert to fraction form
    228.24/314.97 = 130.01/x
  3. Step 3: Cross multiply
    228.24x = 314.97 × 130.01
  4. Step 4: Simplify right side
    228.24x = 40,947.67
  5. Step 5: Solve for x
    x = 40,947.67/228.24
  6. Step 6: Final answer
    x = 179.41

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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.