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Finding the Fourth Proportional to 241.29, 332.82 and 153.90

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Solution

The fourth proportional to 241.29, 332.82 and 153.90 is: 212.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.29 : 332.82 = 153.90 : x
  2. Step 2: Convert to fraction form
    241.29/332.82 = 153.90/x
  3. Step 3: Cross multiply
    241.29x = 332.82 × 153.90
  4. Step 4: Simplify right side
    241.29x = 51,221.00
  5. Step 5: Solve for x
    x = 51,221.00/241.29
  6. Step 6: Final answer
    x = 212.28

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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.