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Finding the Fourth Proportional to 241.51, 332.67 and 202.22

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Solution

The fourth proportional to 241.51, 332.67 and 202.22 is: 278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.51 : 332.67 = 202.22 : x
  2. Step 2: Convert to fraction form
    241.51/332.67 = 202.22/x
  3. Step 3: Cross multiply
    241.51x = 332.67 × 202.22
  4. Step 4: Simplify right side
    241.51x = 67,272.53
  5. Step 5: Solve for x
    x = 67,272.53/241.51
  6. Step 6: Final answer
    x = 278.55

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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.