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Finding the Fourth Proportional to 48.84, 73.27 and 23.21

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Solution

The fourth proportional to 48.84, 73.27 and 23.21 is: 34.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.84 : 73.27 = 23.21 : x
  2. Step 2: Convert to fraction form
    48.84/73.27 = 23.21/x
  3. Step 3: Cross multiply
    48.84x = 73.27 × 23.21
  4. Step 4: Simplify right side
    48.84x = 1,700.23
  5. Step 5: Solve for x
    x = 1,700.23/48.84
  6. Step 6: Final answer
    x = 34.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.