Finding the Fourth Proportional to 448.52, 618.99 and 252.08
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Solution
The fourth proportional to 448.52, 618.99 and 252.08 is: 347.89
Step by Step Solution
- Step 1: Write the proportion equation
448.52 : 618.99 = 252.08 : x - Step 2: Convert to fraction form
448.52/618.99 = 252.08/x - Step 3: Cross multiply
448.52x = 618.99 × 252.08 - Step 4: Simplify right side
448.52x = 156,035.00 - Step 5: Solve for x
x = 156,035.00/448.52 - Step 6: Final answer
x = 347.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.