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Finding the Fourth Proportional to 284.20, 425.64 and 246.12

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Solution

The fourth proportional to 284.20, 425.64 and 246.12 is: 368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    284.20 : 425.64 = 246.12 : x
  2. Step 2: Convert to fraction form
    284.20/425.64 = 246.12/x
  3. Step 3: Cross multiply
    284.20x = 425.64 × 246.12
  4. Step 4: Simplify right side
    284.20x = 104,758.52
  5. Step 5: Solve for x
    x = 104,758.52/284.20
  6. Step 6: Final answer
    x = 368.61

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Why These Related Problems?

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