Finding the Fourth Proportional to 412.16, 618.95 and 365.99
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Solution
The fourth proportional to 412.16, 618.95 and 365.99 is: 549.62
Step by Step Solution
- Step 1: Write the proportion equation
412.16 : 618.95 = 365.99 : x - Step 2: Convert to fraction form
412.16/618.95 = 365.99/x - Step 3: Cross multiply
412.16x = 618.95 × 365.99 - Step 4: Simplify right side
412.16x = 226,531.97 - Step 5: Solve for x
x = 226,531.97/412.16 - Step 6: Final answer
x = 549.62
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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.