Finding the Fourth Proportional to 482.81, 666.35 and 272.99
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Solution
The fourth proportional to 482.81, 666.35 and 272.99 is: 376.76
Step by Step Solution
- Step 1: Write the proportion equation
482.81 : 666.35 = 272.99 : x - Step 2: Convert to fraction form
482.81/666.35 = 272.99/x - Step 3: Cross multiply
482.81x = 666.35 × 272.99 - Step 4: Simplify right side
482.81x = 181,902.19 - Step 5: Solve for x
x = 181,902.19/482.81 - Step 6: Final answer
x = 376.76
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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.