Finding the Fourth Proportional to 374.99, 562.49 and 212.66
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Solution
The fourth proportional to 374.99, 562.49 and 212.66 is: 318.99
Step by Step Solution
- Step 1: Write the proportion equation
374.99 : 562.49 = 212.66 : x - Step 2: Convert to fraction form
374.99/562.49 = 212.66/x - Step 3: Cross multiply
374.99x = 562.49 × 212.66 - Step 4: Simplify right side
374.99x = 119,619.12 - Step 5: Solve for x
x = 119,619.12/374.99 - Step 6: Final answer
x = 318.99
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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.