Finding the Fourth Proportional to 88.98, 133.50 and 43.32
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Solution
The fourth proportional to 88.98, 133.50 and 43.32 is: 64.99
Step by Step Solution
- Step 1: Write the proportion equation
88.98 : 133.50 = 43.32 : x - Step 2: Convert to fraction form
88.98/133.50 = 43.32/x - Step 3: Cross multiply
88.98x = 133.50 × 43.32 - Step 4: Simplify right side
88.98x = 5,783.22 - Step 5: Solve for x
x = 5,783.22/88.98 - Step 6: Final answer
x = 64.99
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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.