Finding the Fourth Proportional to 135.09, 202.67 and 58.02
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Solution
The fourth proportional to 135.09, 202.67 and 58.02 is: 87.05
Step by Step Solution
- Step 1: Write the proportion equation
135.09 : 202.67 = 58.02 : x - Step 2: Convert to fraction form
135.09/202.67 = 58.02/x - Step 3: Cross multiply
135.09x = 202.67 × 58.02 - Step 4: Simplify right side
135.09x = 11,758.91 - Step 5: Solve for x
x = 11,758.91/135.09 - Step 6: Final answer
x = 87.05
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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.