Finding the Fourth Proportional to 335, 502.68 and 164
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Solution
The fourth proportional to 335, 502.68 and 164 is: 246.09
Step by Step Solution
- Step 1: Write the proportion equation
335 : 502.68 = 164 : x - Step 2: Convert to fraction form
335/502.68 = 164/x - Step 3: Cross multiply
335x = 502.68 × 164 - Step 4: Simplify right side
335x = 82,439.52 - Step 5: Solve for x
x = 82,439.52/335 - Step 6: Final answer
x = 246.09
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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.