Finding the Fourth Proportional to 135.53, 202.98 and 106.57
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Solution
The fourth proportional to 135.53, 202.98 and 106.57 is: 159.61
Step by Step Solution
- Step 1: Write the proportion equation
135.53 : 202.98 = 106.57 : x - Step 2: Convert to fraction form
135.53/202.98 = 106.57/x - Step 3: Cross multiply
135.53x = 202.98 × 106.57 - Step 4: Simplify right side
135.53x = 21,631.58 - Step 5: Solve for x
x = 21,631.58/135.53 - Step 6: Final answer
x = 159.61
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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.