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Finding the Fourth Proportional to 294.94, 443.04 and 286.84

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Solution

The fourth proportional to 294.94, 443.04 and 286.84 is: 430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.94 : 443.04 = 286.84 : x
  2. Step 2: Convert to fraction form
    294.94/443.04 = 286.84/x
  3. Step 3: Cross multiply
    294.94x = 443.04 × 286.84
  4. Step 4: Simplify right side
    294.94x = 127,081.59
  5. Step 5: Solve for x
    x = 127,081.59/294.94
  6. Step 6: Final answer
    x = 430.87

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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.