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Finding the Fourth Proportional to 176.74, 265.47 and 122.74

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Solution

The fourth proportional to 176.74, 265.47 and 122.74 is: 184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.74 : 265.47 = 122.74 : x
  2. Step 2: Convert to fraction form
    176.74/265.47 = 122.74/x
  3. Step 3: Cross multiply
    176.74x = 265.47 × 122.74
  4. Step 4: Simplify right side
    176.74x = 32,583.79
  5. Step 5: Solve for x
    x = 32,583.79/176.74
  6. Step 6: Final answer
    x = 184.36

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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.