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Finding the Fourth Proportional to 269.94, 403.23 and 245.64

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Solution

The fourth proportional to 269.94, 403.23 and 245.64 is: 366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.94 : 403.23 = 245.64 : x
  2. Step 2: Convert to fraction form
    269.94/403.23 = 245.64/x
  3. Step 3: Cross multiply
    269.94x = 403.23 × 245.64
  4. Step 4: Simplify right side
    269.94x = 99,049.42
  5. Step 5: Solve for x
    x = 99,049.42/269.94
  6. Step 6: Final answer
    x = 366.93

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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.