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Finding the Fourth Proportional to 241.40, 333.18 and 152.94

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Solution

The fourth proportional to 241.40, 333.18 and 152.94 is: 211.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.40 : 333.18 = 152.94 : x
  2. Step 2: Convert to fraction form
    241.40/333.18 = 152.94/x
  3. Step 3: Cross multiply
    241.40x = 333.18 × 152.94
  4. Step 4: Simplify right side
    241.40x = 50,956.55
  5. Step 5: Solve for x
    x = 50,956.55/241.40
  6. Step 6: Final answer
    x = 211.09

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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.