Finding the Fourth Proportional to 135.36, 203.07 and 109.91
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Solution
The fourth proportional to 135.36, 203.07 and 109.91 is: 164.88
Step by Step Solution
- Step 1: Write the proportion equation
135.36 : 203.07 = 109.91 : x - Step 2: Convert to fraction form
135.36/203.07 = 109.91/x - Step 3: Cross multiply
135.36x = 203.07 × 109.91 - Step 4: Simplify right side
135.36x = 22,318.41 - Step 5: Solve for x
x = 22,318.41/135.36 - Step 6: Final answer
x = 164.88
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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.