Finding the Fourth Proportional to 369.41, 509.69 and 270.99
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Solution
The fourth proportional to 369.41, 509.69 and 270.99 is: 373.90
Step by Step Solution
- Step 1: Write the proportion equation
369.41 : 509.69 = 270.99 : x - Step 2: Convert to fraction form
369.41/509.69 = 270.99/x - Step 3: Cross multiply
369.41x = 509.69 × 270.99 - Step 4: Simplify right side
369.41x = 138,121.57 - Step 5: Solve for x
x = 138,121.57/369.41 - Step 6: Final answer
x = 373.90
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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.