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Finding the Fourth Proportional to 222.34, 333.48 and 98.94

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Solution

The fourth proportional to 222.34, 333.48 and 98.94 is: 148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.34 : 333.48 = 98.94 : x
  2. Step 2: Convert to fraction form
    222.34/333.48 = 98.94/x
  3. Step 3: Cross multiply
    222.34x = 333.48 × 98.94
  4. Step 4: Simplify right side
    222.34x = 32,994.51
  5. Step 5: Solve for x
    x = 32,994.51/222.34
  6. Step 6: Final answer
    x = 148.40

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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.