Finding the Fourth Proportional to 606.96, 910.21 and 195.99
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Solution
The fourth proportional to 606.96, 910.21 and 195.99 is: 293.91
Step by Step Solution
- Step 1: Write the proportion equation
606.96 : 910.21 = 195.99 : x - Step 2: Convert to fraction form
606.96/910.21 = 195.99/x - Step 3: Cross multiply
606.96x = 910.21 × 195.99 - Step 4: Simplify right side
606.96x = 178,391.41 - Step 5: Solve for x
x = 178,391.41/606.96 - Step 6: Final answer
x = 293.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.