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Finding the Fourth Proportional to 246.99, 367.68 and 235.20

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Solution

The fourth proportional to 246.99, 367.68 and 235.20 is: 350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.99 : 367.68 = 235.20 : x
  2. Step 2: Convert to fraction form
    246.99/367.68 = 235.20/x
  3. Step 3: Cross multiply
    246.99x = 367.68 × 235.20
  4. Step 4: Simplify right side
    246.99x = 86,478.34
  5. Step 5: Solve for x
    x = 86,478.34/246.99
  6. Step 6: Final answer
    x = 350.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.