Finding the Fourth Proportional to 135.60, 202.95 and 130.83
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Solution
The fourth proportional to 135.60, 202.95 and 130.83 is: 195.81
Step by Step Solution
- Step 1: Write the proportion equation
135.60 : 202.95 = 130.83 : x - Step 2: Convert to fraction form
135.60/202.95 = 130.83/x - Step 3: Cross multiply
135.60x = 202.95 × 130.83 - Step 4: Simplify right side
135.60x = 26,551.95 - Step 5: Solve for x
x = 26,551.95/135.60 - Step 6: Final answer
x = 195.81
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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.