Finding the Fourth Proportional to 447, 616.92 and 292.08
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Solution
The fourth proportional to 447, 616.92 and 292.08 is: 403.11
Step by Step Solution
- Step 1: Write the proportion equation
447 : 616.92 = 292.08 : x - Step 2: Convert to fraction form
447/616.92 = 292.08/x - Step 3: Cross multiply
447x = 616.92 × 292.08 - Step 4: Simplify right side
447x = 180,189.99 - Step 5: Solve for x
x = 180,189.99/447 - Step 6: Final answer
x = 403.11
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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.