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Finding the Fourth Proportional to 300.98, 452.16 and 164.00

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Solution

The fourth proportional to 300.98, 452.16 and 164.00 is: 246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.98 : 452.16 = 164.00 : x
  2. Step 2: Convert to fraction form
    300.98/452.16 = 164.00/x
  3. Step 3: Cross multiply
    300.98x = 452.16 × 164.00
  4. Step 4: Simplify right side
    300.98x = 74,155.37
  5. Step 5: Solve for x
    x = 74,155.37/300.98
  6. Step 6: Final answer
    x = 246.38

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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.