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Finding the Fourth Proportional to 300.03, 414.12 and 175.74

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Solution

The fourth proportional to 300.03, 414.12 and 175.74 is: 242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.03 : 414.12 = 175.74 : x
  2. Step 2: Convert to fraction form
    300.03/414.12 = 175.74/x
  3. Step 3: Cross multiply
    300.03x = 414.12 × 175.74
  4. Step 4: Simplify right side
    300.03x = 72,777.45
  5. Step 5: Solve for x
    x = 72,777.45/300.03
  6. Step 6: Final answer
    x = 242.57

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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.