Finding the Fourth Proportional to 177.70, 266.53 and 63.70
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Solution
The fourth proportional to 177.70, 266.53 and 63.70 is: 95.54
Step by Step Solution
- Step 1: Write the proportion equation
177.70 : 266.53 = 63.70 : x - Step 2: Convert to fraction form
177.70/266.53 = 63.70/x - Step 3: Cross multiply
177.70x = 266.53 × 63.70 - Step 4: Simplify right side
177.70x = 16,977.96 - Step 5: Solve for x
x = 16,977.96/177.70 - Step 6: Final answer
x = 95.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.