Finding the Fourth Proportional to 135.69, 203.33 and 104.99
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Solution
The fourth proportional to 135.69, 203.33 and 104.99 is: 157.32
Step by Step Solution
- Step 1: Write the proportion equation
135.69 : 203.33 = 104.99 : x - Step 2: Convert to fraction form
135.69/203.33 = 104.99/x - Step 3: Cross multiply
135.69x = 203.33 × 104.99 - Step 4: Simplify right side
135.69x = 21,346.08 - Step 5: Solve for x
x = 21,346.08/135.69 - Step 6: Final answer
x = 157.32
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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.