Finding the Fourth Proportional to 306.50, 459.98 and 203.99
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Solution
The fourth proportional to 306.50, 459.98 and 203.99 is: 306.13
Step by Step Solution
- Step 1: Write the proportion equation
306.50 : 459.98 = 203.99 : x - Step 2: Convert to fraction form
306.50/459.98 = 203.99/x - Step 3: Cross multiply
306.50x = 459.98 × 203.99 - Step 4: Simplify right side
306.50x = 93,828.77 - Step 5: Solve for x
x = 93,828.77/306.50 - Step 6: Final answer
x = 306.13
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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.