Finding the Fourth Proportional to 206.60, 310.02 and 84.84
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Solution
The fourth proportional to 206.60, 310.02 and 84.84 is: 127.31
Step by Step Solution
- Step 1: Write the proportion equation
206.60 : 310.02 = 84.84 : x - Step 2: Convert to fraction form
206.60/310.02 = 84.84/x - Step 3: Cross multiply
206.60x = 310.02 × 84.84 - Step 4: Simplify right side
206.60x = 26,302.10 - Step 5: Solve for x
x = 26,302.10/206.60 - Step 6: Final answer
x = 127.31
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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.