Finding the Fourth Proportional to 135.70, 203.33 and 97.13
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Solution
The fourth proportional to 135.70, 203.33 and 97.13 is: 145.55
Step by Step Solution
- Step 1: Write the proportion equation
135.70 : 203.33 = 97.13 : x - Step 2: Convert to fraction form
135.70/203.33 = 97.13/x - Step 3: Cross multiply
135.70x = 203.33 × 97.13 - Step 4: Simplify right side
135.70x = 19,750.19 - Step 5: Solve for x
x = 19,750.19/135.70 - Step 6: Final answer
x = 145.55
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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.