Finding the Fourth Proportional to 207.07, 310.79 and 110.95
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Solution
The fourth proportional to 207.07, 310.79 and 110.95 is: 166.52
Step by Step Solution
- Step 1: Write the proportion equation
207.07 : 310.79 = 110.95 : x - Step 2: Convert to fraction form
207.07/310.79 = 110.95/x - Step 3: Cross multiply
207.07x = 310.79 × 110.95 - Step 4: Simplify right side
207.07x = 34,482.15 - Step 5: Solve for x
x = 34,482.15/207.07 - Step 6: Final answer
x = 166.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.