Finding the Fourth Proportional to 135.74, 203.66 and 58.70
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Solution
The fourth proportional to 135.74, 203.66 and 58.70 is: 88.07
Step by Step Solution
- Step 1: Write the proportion equation
135.74 : 203.66 = 58.70 : x - Step 2: Convert to fraction form
135.74/203.66 = 58.70/x - Step 3: Cross multiply
135.74x = 203.66 × 58.70 - Step 4: Simplify right side
135.74x = 11,954.84 - Step 5: Solve for x
x = 11,954.84/135.74 - Step 6: Final answer
x = 88.07
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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.