Finding the Fourth Proportional to 577.92, 866.88 and 193.08
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Solution
The fourth proportional to 577.92, 866.88 and 193.08 is: 289.62
Step by Step Solution
- Step 1: Write the proportion equation
577.92 : 866.88 = 193.08 : x - Step 2: Convert to fraction form
577.92/866.88 = 193.08/x - Step 3: Cross multiply
577.92x = 866.88 × 193.08 - Step 4: Simplify right side
577.92x = 167,377.19 - Step 5: Solve for x
x = 167,377.19/577.92 - Step 6: Final answer
x = 289.62
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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.