Finding the Fourth Proportional to 403.18, 604.76 and 322.99
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Solution
The fourth proportional to 403.18, 604.76 and 322.99 is: 484.48
Step by Step Solution
- Step 1: Write the proportion equation
403.18 : 604.76 = 322.99 : x - Step 2: Convert to fraction form
403.18/604.76 = 322.99/x - Step 3: Cross multiply
403.18x = 604.76 × 322.99 - Step 4: Simplify right side
403.18x = 195,331.43 - Step 5: Solve for x
x = 195,331.43/403.18 - Step 6: Final answer
x = 484.48
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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.