Finding the Fourth Proportional to 447.99, 618.26 and 251.49
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Solution
The fourth proportional to 447.99, 618.26 and 251.49 is: 347.08
Step by Step Solution
- Step 1: Write the proportion equation
447.99 : 618.26 = 251.49 : x - Step 2: Convert to fraction form
447.99/618.26 = 251.49/x - Step 3: Cross multiply
447.99x = 618.26 × 251.49 - Step 4: Simplify right side
447.99x = 155,486.21 - Step 5: Solve for x
x = 155,486.21/447.99 - Step 6: Final answer
x = 347.08
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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.