Finding the Fourth Proportional to 135.55, 187.13 and 88.99
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Solution
The fourth proportional to 135.55, 187.13 and 88.99 is: 122.85
Step by Step Solution
- Step 1: Write the proportion equation
135.55 : 187.13 = 88.99 : x - Step 2: Convert to fraction form
135.55/187.13 = 88.99/x - Step 3: Cross multiply
135.55x = 187.13 × 88.99 - Step 4: Simplify right side
135.55x = 16,652.25 - Step 5: Solve for x
x = 16,652.25/135.55 - Step 6: Final answer
x = 122.85
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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.