Finding the Fourth Proportional to 344.24, 474.28 and 316.68
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Solution
The fourth proportional to 344.24, 474.28 and 316.68 is: 436.31
Step by Step Solution
- Step 1: Write the proportion equation
344.24 : 474.28 = 316.68 : x - Step 2: Convert to fraction form
344.24/474.28 = 316.68/x - Step 3: Cross multiply
344.24x = 474.28 × 316.68 - Step 4: Simplify right side
344.24x = 150,194.99 - Step 5: Solve for x
x = 150,194.99/344.24 - Step 6: Final answer
x = 436.31
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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.