Finding the Fourth Proportional to 369.26, 509.84 and 245.08
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Solution
The fourth proportional to 369.26, 509.84 and 245.08 is: 338.38
Step by Step Solution
- Step 1: Write the proportion equation
369.26 : 509.84 = 245.08 : x - Step 2: Convert to fraction form
369.26/509.84 = 245.08/x - Step 3: Cross multiply
369.26x = 509.84 × 245.08 - Step 4: Simplify right side
369.26x = 124,950.43 - Step 5: Solve for x
x = 124,950.43/369.26 - Step 6: Final answer
x = 338.38
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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.