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Finding the Fourth Proportional to 241.57, 333.36 and 148.31

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Solution

The fourth proportional to 241.57, 333.36 and 148.31 is: 204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.57 : 333.36 = 148.31 : x
  2. Step 2: Convert to fraction form
    241.57/333.36 = 148.31/x
  3. Step 3: Cross multiply
    241.57x = 333.36 × 148.31
  4. Step 4: Simplify right side
    241.57x = 49,438.95
  5. Step 5: Solve for x
    x = 49,438.95/241.57
  6. Step 6: Final answer
    x = 204.66

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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.