Finding the Fourth Proportional to 344.09, 474.82 and 204.21
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Solution
The fourth proportional to 344.09, 474.82 and 204.21 is: 281.80
Step by Step Solution
- Step 1: Write the proportion equation
344.09 : 474.82 = 204.21 : x - Step 2: Convert to fraction form
344.09/474.82 = 204.21/x - Step 3: Cross multiply
344.09x = 474.82 × 204.21 - Step 4: Simplify right side
344.09x = 96,962.99 - Step 5: Solve for x
x = 96,962.99/344.09 - Step 6: Final answer
x = 281.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.