Finding the Fourth Proportional to 84.08, 116.05 and 52.99
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Solution
The fourth proportional to 84.08, 116.05 and 52.99 is: 73.14
Step by Step Solution
- Step 1: Write the proportion equation
84.08 : 116.05 = 52.99 : x - Step 2: Convert to fraction form
84.08/116.05 = 52.99/x - Step 3: Cross multiply
84.08x = 116.05 × 52.99 - Step 4: Simplify right side
84.08x = 6,149.43 - Step 5: Solve for x
x = 6,149.43/84.08 - Step 6: Final answer
x = 73.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.