Finding the Fourth Proportional to 400.97, 553.19 and 296.31
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Solution
The fourth proportional to 400.97, 553.19 and 296.31 is: 408.79
Step by Step Solution
- Step 1: Write the proportion equation
400.97 : 553.19 = 296.31 : x - Step 2: Convert to fraction form
400.97/553.19 = 296.31/x - Step 3: Cross multiply
400.97x = 553.19 × 296.31 - Step 4: Simplify right side
400.97x = 163,914.25 - Step 5: Solve for x
x = 163,914.25/400.97 - Step 6: Final answer
x = 408.79
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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.