Finding the Fourth Proportional to 335.08, 502.79 and 188.99
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Solution
The fourth proportional to 335.08, 502.79 and 188.99 is: 283.58
Step by Step Solution
- Step 1: Write the proportion equation
335.08 : 502.79 = 188.99 : x - Step 2: Convert to fraction form
335.08/502.79 = 188.99/x - Step 3: Cross multiply
335.08x = 502.79 × 188.99 - Step 4: Simplify right side
335.08x = 95,020.71 - Step 5: Solve for x
x = 95,020.71/335.08 - Step 6: Final answer
x = 283.58
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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.