Finding the Fourth Proportional to 207.93, 309.87 and 202.02
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Solution
The fourth proportional to 207.93, 309.87 and 202.02 is: 301.06
Step by Step Solution
- Step 1: Write the proportion equation
207.93 : 309.87 = 202.02 : x - Step 2: Convert to fraction form
207.93/309.87 = 202.02/x - Step 3: Cross multiply
207.93x = 309.87 × 202.02 - Step 4: Simplify right side
207.93x = 62,599.94 - Step 5: Solve for x
x = 62,599.94/207.93 - Step 6: Final answer
x = 301.06
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.