Finding the Fourth Proportional to 73.19, 109.84 and 58.07
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Solution
The fourth proportional to 73.19, 109.84 and 58.07 is: 87.15
Step by Step Solution
- Step 1: Write the proportion equation
73.19 : 109.84 = 58.07 : x - Step 2: Convert to fraction form
73.19/109.84 = 58.07/x - Step 3: Cross multiply
73.19x = 109.84 × 58.07 - Step 4: Simplify right side
73.19x = 6,378.41 - Step 5: Solve for x
x = 6,378.41/73.19 - Step 6: Final answer
x = 87.15
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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.