Finding the Fourth Proportional to 207.36, 309.62 and 176.91
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Solution
The fourth proportional to 207.36, 309.62 and 176.91 is: 264.15
Step by Step Solution
- Step 1: Write the proportion equation
207.36 : 309.62 = 176.91 : x - Step 2: Convert to fraction form
207.36/309.62 = 176.91/x - Step 3: Cross multiply
207.36x = 309.62 × 176.91 - Step 4: Simplify right side
207.36x = 54,773.99 - Step 5: Solve for x
x = 54,773.99/207.36 - Step 6: Final answer
x = 264.15
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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.