Finding the Fourth Proportional to 212.91, 319.18 and 176.65
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Solution
The fourth proportional to 212.91, 319.18 and 176.65 is: 264.82
Step by Step Solution
- Step 1: Write the proportion equation
212.91 : 319.18 = 176.65 : x - Step 2: Convert to fraction form
212.91/319.18 = 176.65/x - Step 3: Cross multiply
212.91x = 319.18 × 176.65 - Step 4: Simplify right side
212.91x = 56,381.99 - Step 5: Solve for x
x = 56,381.99/212.91 - Step 6: Final answer
x = 264.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.