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Finding the Fourth Proportional to 362.84, 500.66 and 222.98

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Solution

The fourth proportional to 362.84, 500.66 and 222.98 is: 307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.84 : 500.66 = 222.98 : x
  2. Step 2: Convert to fraction form
    362.84/500.66 = 222.98/x
  3. Step 3: Cross multiply
    362.84x = 500.66 × 222.98
  4. Step 4: Simplify right side
    362.84x = 111,637.17
  5. Step 5: Solve for x
    x = 111,637.17/362.84
  6. Step 6: Final answer
    x = 307.68

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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.