Finding the Fourth Proportional to 352.18, 486.08 and 202.77
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Solution
The fourth proportional to 352.18, 486.08 and 202.77 is: 279.87
Step by Step Solution
- Step 1: Write the proportion equation
352.18 : 486.08 = 202.77 : x - Step 2: Convert to fraction form
352.18/486.08 = 202.77/x - Step 3: Cross multiply
352.18x = 486.08 × 202.77 - Step 4: Simplify right side
352.18x = 98,562.95 - Step 5: Solve for x
x = 98,562.95/352.18 - Step 6: Final answer
x = 279.87
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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.