Finding the Fourth Proportional to 177.99, 267.06 and 69.81
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Solution
The fourth proportional to 177.99, 267.06 and 69.81 is: 104.74
Step by Step Solution
- Step 1: Write the proportion equation
177.99 : 267.06 = 69.81 : x - Step 2: Convert to fraction form
177.99/267.06 = 69.81/x - Step 3: Cross multiply
177.99x = 267.06 × 69.81 - Step 4: Simplify right side
177.99x = 18,643.46 - Step 5: Solve for x
x = 18,643.46/177.99 - Step 6: Final answer
x = 104.74
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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.