Finding the Fourth Proportional to 135.91, 203.66 and 58.80
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Solution
The fourth proportional to 135.91, 203.66 and 58.80 is: 88.11
Step by Step Solution
- Step 1: Write the proportion equation
135.91 : 203.66 = 58.80 : x - Step 2: Convert to fraction form
135.91/203.66 = 58.80/x - Step 3: Cross multiply
135.91x = 203.66 × 58.80 - Step 4: Simplify right side
135.91x = 11,975.21 - Step 5: Solve for x
x = 11,975.21/135.91 - Step 6: Final answer
x = 88.11
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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.