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Finding the Fourth Proportional to 300, 414.02 and 175.70

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Solution

The fourth proportional to 300, 414.02 and 175.70 is: 242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    300 : 414.02 = 175.70 : x
  2. Step 2: Convert to fraction form
    300/414.02 = 175.70/x
  3. Step 3: Cross multiply
    300x = 414.02 × 175.70
  4. Step 4: Simplify right side
    300x = 72,740.37
  5. Step 5: Solve for x
    x = 72,740.37/300
  6. Step 6: Final answer
    x = 242.47

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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.