Finding the Fourth Proportional to 603.40, 905.11 and 237.99
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Solution
The fourth proportional to 603.40, 905.11 and 237.99 is: 356.99
Step by Step Solution
- Step 1: Write the proportion equation
603.40 : 905.11 = 237.99 : x - Step 2: Convert to fraction form
603.40/905.11 = 237.99/x - Step 3: Cross multiply
603.40x = 905.11 × 237.99 - Step 4: Simplify right side
603.40x = 215,407.13 - Step 5: Solve for x
x = 215,407.13/603.40 - Step 6: Final answer
x = 356.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.