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Finding the Fourth Proportional to 233.85, 322.77 and 222.85

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Solution

The fourth proportional to 233.85, 322.77 and 222.85 is: 307.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.85 : 322.77 = 222.85 : x
  2. Step 2: Convert to fraction form
    233.85/322.77 = 222.85/x
  3. Step 3: Cross multiply
    233.85x = 322.77 × 222.85
  4. Step 4: Simplify right side
    233.85x = 71,926.57
  5. Step 5: Solve for x
    x = 71,926.57/233.85
  6. Step 6: Final answer
    x = 307.58

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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.