Finding the Fourth Proportional to 177.81, 267.95 and 177.81
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Solution
The fourth proportional to 177.81, 267.95 and 177.81 is: 267.95
Step by Step Solution
- Step 1: Write the proportion equation
177.81 : 267.95 = 177.81 : x - Step 2: Convert to fraction form
177.81/267.95 = 177.81/x - Step 3: Cross multiply
177.81x = 267.95 × 177.81 - Step 4: Simplify right side
177.81x = 47,644.19 - Step 5: Solve for x
x = 47,644.19/177.81 - Step 6: Final answer
x = 267.95
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.