Finding the Fourth Proportional to 43.42, 59.98 and 29.68
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Solution
The fourth proportional to 43.42, 59.98 and 29.68 is: 41.00
Step by Step Solution
- Step 1: Write the proportion equation
43.42 : 59.98 = 29.68 : x - Step 2: Convert to fraction form
43.42/59.98 = 29.68/x - Step 3: Cross multiply
43.42x = 59.98 × 29.68 - Step 4: Simplify right side
43.42x = 1,780.21 - Step 5: Solve for x
x = 1,780.21/43.42 - Step 6: Final answer
x = 41.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.