Finding the Fourth Proportional to 410.67, 566.69 and 279.72
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Solution
The fourth proportional to 410.67, 566.69 and 279.72 is: 385.99
Step by Step Solution
- Step 1: Write the proportion equation
410.67 : 566.69 = 279.72 : x - Step 2: Convert to fraction form
410.67/566.69 = 279.72/x - Step 3: Cross multiply
410.67x = 566.69 × 279.72 - Step 4: Simplify right side
410.67x = 158,513.13 - Step 5: Solve for x
x = 158,513.13/410.67 - Step 6: Final answer
x = 385.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.