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Finding the Fourth Proportional to 267.51, 368.37 and 223.77

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Solution

The fourth proportional to 267.51, 368.37 and 223.77 is: 308.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.51 : 368.37 = 223.77 : x
  2. Step 2: Convert to fraction form
    267.51/368.37 = 223.77/x
  3. Step 3: Cross multiply
    267.51x = 368.37 × 223.77
  4. Step 4: Simplify right side
    267.51x = 82,430.15
  5. Step 5: Solve for x
    x = 82,430.15/267.51
  6. Step 6: Final answer
    x = 308.14

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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.