Finding the Fourth Proportional to 101.79, 152.43 and 56.09
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Solution
The fourth proportional to 101.79, 152.43 and 56.09 is: 83.99
Step by Step Solution
- Step 1: Write the proportion equation
101.79 : 152.43 = 56.09 : x - Step 2: Convert to fraction form
101.79/152.43 = 56.09/x - Step 3: Cross multiply
101.79x = 152.43 × 56.09 - Step 4: Simplify right side
101.79x = 8,549.54 - Step 5: Solve for x
x = 8,549.54/101.79 - Step 6: Final answer
x = 83.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.