Finding the Fourth Proportional to 448.08, 618.27 and 270.99
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Solution
The fourth proportional to 448.08, 618.27 and 270.99 is: 373.92
Step by Step Solution
- Step 1: Write the proportion equation
448.08 : 618.27 = 270.99 : x - Step 2: Convert to fraction form
448.08/618.27 = 270.99/x - Step 3: Cross multiply
448.08x = 618.27 × 270.99 - Step 4: Simplify right side
448.08x = 167,544.99 - Step 5: Solve for x
x = 167,544.99/448.08 - Step 6: Final answer
x = 373.92
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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.