Finding the Fourth Proportional to 177.63, 266.48 and 55.87
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Solution
The fourth proportional to 177.63, 266.48 and 55.87 is: 83.82
Step by Step Solution
- Step 1: Write the proportion equation
177.63 : 266.48 = 55.87 : x - Step 2: Convert to fraction form
177.63/266.48 = 55.87/x - Step 3: Cross multiply
177.63x = 266.48 × 55.87 - Step 4: Simplify right side
177.63x = 14,888.24 - Step 5: Solve for x
x = 14,888.24/177.63 - Step 6: Final answer
x = 83.82
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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.