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Finding the Fourth Proportional to 174.71, 241.04 and 133.20

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Solution

The fourth proportional to 174.71, 241.04 and 133.20 is: 183.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.71 : 241.04 = 133.20 : x
  2. Step 2: Convert to fraction form
    174.71/241.04 = 133.20/x
  3. Step 3: Cross multiply
    174.71x = 241.04 × 133.20
  4. Step 4: Simplify right side
    174.71x = 32,106.86
  5. Step 5: Solve for x
    x = 32,106.86/174.71
  6. Step 6: Final answer
    x = 183.77

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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.