Finding the Fourth Proportional to 157.24, 235.88 and 49.02
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Solution
The fourth proportional to 157.24, 235.88 and 49.02 is: 73.54
Step by Step Solution
- Step 1: Write the proportion equation
157.24 : 235.88 = 49.02 : x - Step 2: Convert to fraction form
157.24/235.88 = 49.02/x - Step 3: Cross multiply
157.24x = 235.88 × 49.02 - Step 4: Simplify right side
157.24x = 11,562.84 - Step 5: Solve for x
x = 11,562.84/157.24 - Step 6: Final answer
x = 73.54
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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.