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Finding the Fourth Proportional to 307.28, 459.04 and 246.56

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Solution

The fourth proportional to 307.28, 459.04 and 246.56 is: 368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    307.28 : 459.04 = 246.56 : x
  2. Step 2: Convert to fraction form
    307.28/459.04 = 246.56/x
  3. Step 3: Cross multiply
    307.28x = 459.04 × 246.56
  4. Step 4: Simplify right side
    307.28x = 113,180.90
  5. Step 5: Solve for x
    x = 113,180.90/307.28
  6. Step 6: Final answer
    x = 368.33

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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.