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Finding the Fourth Proportional to 23.61, 32.35 and 22.75

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Solution

The fourth proportional to 23.61, 32.35 and 22.75 is: 31.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.61 : 32.35 = 22.75 : x
  2. Step 2: Convert to fraction form
    23.61/32.35 = 22.75/x
  3. Step 3: Cross multiply
    23.61x = 32.35 × 22.75
  4. Step 4: Simplify right side
    23.61x = 735.91
  5. Step 5: Solve for x
    x = 735.91/23.61
  6. Step 6: Final answer
    x = 31.17

Related Problems

Find fourth proportional to 11.81, 16.18 and 11.37
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.