Finding the Fourth Proportional to 52.95, 72.93 and 40.65
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Solution
The fourth proportional to 52.95, 72.93 and 40.65 is: 55.99
Step by Step Solution
- Step 1: Write the proportion equation
52.95 : 72.93 = 40.65 : x - Step 2: Convert to fraction form
52.95/72.93 = 40.65/x - Step 3: Cross multiply
52.95x = 72.93 × 40.65 - Step 4: Simplify right side
52.95x = 2,964.60 - Step 5: Solve for x
x = 2,964.60/52.95 - Step 6: Final answer
x = 55.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.