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Finding the Fourth Proportional to 949.28, 1,423.96 and 300.02

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Solution

The fourth proportional to 949.28, 1,423.96 and 300.02 is: 450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.28 : 1,423.96 = 300.02 : x
  2. Step 2: Convert to fraction form
    949.28/1,423.96 = 300.02/x
  3. Step 3: Cross multiply
    949.28x = 1,423.96 × 300.02
  4. Step 4: Simplify right side
    949.28x = 427,216.48
  5. Step 5: Solve for x
    x = 427,216.48/949.28
  6. Step 6: Final answer
    x = 450.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.