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Finding the Fourth Proportional to 244.99, 339.92 and 242.90

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Solution

The fourth proportional to 244.99, 339.92 and 242.90 is: 337.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.99 : 339.92 = 242.90 : x
  2. Step 2: Convert to fraction form
    244.99/339.92 = 242.90/x
  3. Step 3: Cross multiply
    244.99x = 339.92 × 242.90
  4. Step 4: Simplify right side
    244.99x = 82,563.65
  5. Step 5: Solve for x
    x = 82,563.65/244.99
  6. Step 6: Final answer
    x = 337.02

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.