Finding the Fourth Proportional to 135.69, 203.45 and 58.62
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Solution
The fourth proportional to 135.69, 203.45 and 58.62 is: 87.89
Step by Step Solution
- Step 1: Write the proportion equation
135.69 : 203.45 = 58.62 : x - Step 2: Convert to fraction form
135.69/203.45 = 58.62/x - Step 3: Cross multiply
135.69x = 203.45 × 58.62 - Step 4: Simplify right side
135.69x = 11,926.24 - Step 5: Solve for x
x = 11,926.24/135.69 - Step 6: Final answer
x = 87.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.