Finding the Fourth Proportional to 460.65, 691.07 and 135.99
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Solution
The fourth proportional to 460.65, 691.07 and 135.99 is: 204.01
Step by Step Solution
- Step 1: Write the proportion equation
460.65 : 691.07 = 135.99 : x - Step 2: Convert to fraction form
460.65/691.07 = 135.99/x - Step 3: Cross multiply
460.65x = 691.07 × 135.99 - Step 4: Simplify right side
460.65x = 93,977.93 - Step 5: Solve for x
x = 93,977.93/460.65 - Step 6: Final answer
x = 204.01
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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.