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Finding the Fourth Proportional to 299.33, 412.40 and 246.87

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Solution

The fourth proportional to 299.33, 412.40 and 246.87 is: 340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.33 : 412.40 = 246.87 : x
  2. Step 2: Convert to fraction form
    299.33/412.40 = 246.87/x
  3. Step 3: Cross multiply
    299.33x = 412.40 × 246.87
  4. Step 4: Simplify right side
    299.33x = 101,807.95
  5. Step 5: Solve for x
    x = 101,807.95/299.33
  6. Step 6: Final answer
    x = 340.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.