Finding the Fourth Proportional to 147.06, 202.99 and 97.94
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Solution
The fourth proportional to 147.06, 202.99 and 97.94 is: 135.19
Step by Step Solution
- Step 1: Write the proportion equation
147.06 : 202.99 = 97.94 : x - Step 2: Convert to fraction form
147.06/202.99 = 97.94/x - Step 3: Cross multiply
147.06x = 202.99 × 97.94 - Step 4: Simplify right side
147.06x = 19,880.84 - Step 5: Solve for x
x = 19,880.84/147.06 - Step 6: Final answer
x = 135.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.