Finding the Fourth Proportional to 135.97, 204.16 and 84.93
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Solution
The fourth proportional to 135.97, 204.16 and 84.93 is: 127.53
Step by Step Solution
- Step 1: Write the proportion equation
135.97 : 204.16 = 84.93 : x - Step 2: Convert to fraction form
135.97/204.16 = 84.93/x - Step 3: Cross multiply
135.97x = 204.16 × 84.93 - Step 4: Simplify right side
135.97x = 17,339.99 - Step 5: Solve for x
x = 17,339.99/135.97 - Step 6: Final answer
x = 127.53
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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.