Finding the Fourth Proportional to 447.18, 616.99 and 250.63
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Solution
The fourth proportional to 447.18, 616.99 and 250.63 is: 345.80
Step by Step Solution
- Step 1: Write the proportion equation
447.18 : 616.99 = 250.63 : x - Step 2: Convert to fraction form
447.18/616.99 = 250.63/x - Step 3: Cross multiply
447.18x = 616.99 × 250.63 - Step 4: Simplify right side
447.18x = 154,636.20 - Step 5: Solve for x
x = 154,636.20/447.18 - Step 6: Final answer
x = 345.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.