Finding the Fourth Proportional to 722, 996 and 460
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Solution
The fourth proportional to 722, 996 and 460 is: 634.57
Step by Step Solution
- Step 1: Write the proportion equation
722 : 996 = 460 : x - Step 2: Convert to fraction form
722/996 = 460/x - Step 3: Cross multiply
722x = 996 × 460 - Step 4: Simplify right side
722x = 458,160 - Step 5: Solve for x
x = 458,160/722 - Step 6: Final answer
x = 634.57
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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.