Finding the Fourth Proportional to 369.24, 509.68 and 238.26
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Solution
The fourth proportional to 369.24, 509.68 and 238.26 is: 328.88
Step by Step Solution
- Step 1: Write the proportion equation
369.24 : 509.68 = 238.26 : x - Step 2: Convert to fraction form
369.24/509.68 = 238.26/x - Step 3: Cross multiply
369.24x = 509.68 × 238.26 - Step 4: Simplify right side
369.24x = 121,436.36 - Step 5: Solve for x
x = 121,436.36/369.24 - Step 6: Final answer
x = 328.88
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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.