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Finding the Fourth Proportional to 322.64, 481.26 and 296.10

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Solution

The fourth proportional to 322.64, 481.26 and 296.10 is: 441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.64 : 481.26 = 296.10 : x
  2. Step 2: Convert to fraction form
    322.64/481.26 = 296.10/x
  3. Step 3: Cross multiply
    322.64x = 481.26 × 296.10
  4. Step 4: Simplify right side
    322.64x = 142,499.61
  5. Step 5: Solve for x
    x = 142,499.61/322.64
  6. Step 6: Final answer
    x = 441.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.