Finding the Fourth Proportional to 177.08, 265.73 and 68.87
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Solution
The fourth proportional to 177.08, 265.73 and 68.87 is: 103.34
Step by Step Solution
- Step 1: Write the proportion equation
177.08 : 265.73 = 68.87 : x - Step 2: Convert to fraction form
177.08/265.73 = 68.87/x - Step 3: Cross multiply
177.08x = 265.73 × 68.87 - Step 4: Simplify right side
177.08x = 18,299.15 - Step 5: Solve for x
x = 18,299.15/177.08 - Step 6: Final answer
x = 103.34
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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.