Finding the Fourth Proportional to 134.09, 201.15 and 52.99
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Solution
The fourth proportional to 134.09, 201.15 and 52.99 is: 79.48
Step by Step Solution
- Step 1: Write the proportion equation
134.09 : 201.15 = 52.99 : x - Step 2: Convert to fraction form
134.09/201.15 = 52.99/x - Step 3: Cross multiply
134.09x = 201.15 × 52.99 - Step 4: Simplify right side
134.09x = 10,657.67 - Step 5: Solve for x
x = 10,657.67/134.09 - Step 6: Final answer
x = 79.48
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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.