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Finding the Fourth Proportional to 368.24, 550.98 and 222.05

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Solution

The fourth proportional to 368.24, 550.98 and 222.05 is: 332.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.24 : 550.98 = 222.05 : x
  2. Step 2: Convert to fraction form
    368.24/550.98 = 222.05/x
  3. Step 3: Cross multiply
    368.24x = 550.98 × 222.05
  4. Step 4: Simplify right side
    368.24x = 122,345.11
  5. Step 5: Solve for x
    x = 122,345.11/368.24
  6. Step 6: Final answer
    x = 332.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.