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Finding the Fourth Proportional to 314.22, 433.65 and 216.01

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Solution

The fourth proportional to 314.22, 433.65 and 216.01 is: 298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.22 : 433.65 = 216.01 : x
  2. Step 2: Convert to fraction form
    314.22/433.65 = 216.01/x
  3. Step 3: Cross multiply
    314.22x = 433.65 × 216.01
  4. Step 4: Simplify right side
    314.22x = 93,672.74
  5. Step 5: Solve for x
    x = 93,672.74/314.22
  6. Step 6: Final answer
    x = 298.11

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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.