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Finding the Fourth Proportional to 176.01, 242.97 and 110.55

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Solution

The fourth proportional to 176.01, 242.97 and 110.55 is: 152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.01 : 242.97 = 110.55 : x
  2. Step 2: Convert to fraction form
    176.01/242.97 = 110.55/x
  3. Step 3: Cross multiply
    176.01x = 242.97 × 110.55
  4. Step 4: Simplify right side
    176.01x = 26,860.33
  5. Step 5: Solve for x
    x = 26,860.33/176.01
  6. Step 6: Final answer
    x = 152.61

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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.