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Finding the Fourth Proportional to 98.33, 147.59 and 44.26

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Solution

The fourth proportional to 98.33, 147.59 and 44.26 is: 66.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98.33 : 147.59 = 44.26 : x
  2. Step 2: Convert to fraction form
    98.33/147.59 = 44.26/x
  3. Step 3: Cross multiply
    98.33x = 147.59 × 44.26
  4. Step 4: Simplify right side
    98.33x = 6,532.33
  5. Step 5: Solve for x
    x = 6,532.33/98.33
  6. Step 6: Final answer
    x = 66.43

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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.