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Finding the Fourth Proportional to 176.22, 264.43 and 73.55

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Solution

The fourth proportional to 176.22, 264.43 and 73.55 is: 110.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.22 : 264.43 = 73.55 : x
  2. Step 2: Convert to fraction form
    176.22/264.43 = 73.55/x
  3. Step 3: Cross multiply
    176.22x = 264.43 × 73.55
  4. Step 4: Simplify right side
    176.22x = 19,448.83
  5. Step 5: Solve for x
    x = 19,448.83/176.22
  6. Step 6: Final answer
    x = 110.37

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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.