Finding the Fourth Proportional to 84.84, 117 and 52.08
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Solution
The fourth proportional to 84.84, 117 and 52.08 is: 71.82
Step by Step Solution
- Step 1: Write the proportion equation
84.84 : 117 = 52.08 : x - Step 2: Convert to fraction form
84.84/117 = 52.08/x - Step 3: Cross multiply
84.84x = 117 × 52.08 - Step 4: Simplify right side
84.84x = 6,093.36 - Step 5: Solve for x
x = 6,093.36/84.84 - Step 6: Final answer
x = 71.82
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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.