Finding the Fourth Proportional to 206.06, 309.02 and 69.08
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Solution
The fourth proportional to 206.06, 309.02 and 69.08 is: 103.59
Step by Step Solution
- Step 1: Write the proportion equation
206.06 : 309.02 = 69.08 : x - Step 2: Convert to fraction form
206.06/309.02 = 69.08/x - Step 3: Cross multiply
206.06x = 309.02 × 69.08 - Step 4: Simplify right side
206.06x = 21,345.21 - Step 5: Solve for x
x = 21,345.21/206.06 - Step 6: Final answer
x = 103.59
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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.