Finding the Fourth Proportional to 59.58, 89.35 and 18.99
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Solution
The fourth proportional to 59.58, 89.35 and 18.99 is: 28.48
Step by Step Solution
- Step 1: Write the proportion equation
59.58 : 89.35 = 18.99 : x - Step 2: Convert to fraction form
59.58/89.35 = 18.99/x - Step 3: Cross multiply
59.58x = 89.35 × 18.99 - Step 4: Simplify right side
59.58x = 1,696.76 - Step 5: Solve for x
x = 1,696.76/59.58 - Step 6: Final answer
x = 28.48
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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.