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Finding the Fourth Proportional to 33, 45.57 and 23.19

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Solution

The fourth proportional to 33, 45.57 and 23.19 is: 32.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33 : 45.57 = 23.19 : x
  2. Step 2: Convert to fraction form
    33/45.57 = 23.19/x
  3. Step 3: Cross multiply
    33x = 45.57 × 23.19
  4. Step 4: Simplify right side
    33x = 1,056.77
  5. Step 5: Solve for x
    x = 1,056.77/33
  6. Step 6: Final answer
    x = 32.02

Related Problems

Find fourth proportional to 16.50, 22.79 and 11.60
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Double scale
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Similar ratio
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1.5x scale

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.