Finding the Fourth Proportional to 369.44, 509.26 and 252.80
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Solution
The fourth proportional to 369.44, 509.26 and 252.80 is: 348.48
Step by Step Solution
- Step 1: Write the proportion equation
369.44 : 509.26 = 252.80 : x - Step 2: Convert to fraction form
369.44/509.26 = 252.80/x - Step 3: Cross multiply
369.44x = 509.26 × 252.80 - Step 4: Simplify right side
369.44x = 128,740.93 - Step 5: Solve for x
x = 128,740.93/369.44 - Step 6: Final answer
x = 348.48
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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.