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Finding the Fourth Proportional to 179.03, 247.33 and 153.07

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Solution

The fourth proportional to 179.03, 247.33 and 153.07 is: 211.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.03 : 247.33 = 153.07 : x
  2. Step 2: Convert to fraction form
    179.03/247.33 = 153.07/x
  3. Step 3: Cross multiply
    179.03x = 247.33 × 153.07
  4. Step 4: Simplify right side
    179.03x = 37,857.57
  5. Step 5: Solve for x
    x = 37,857.57/179.03
  6. Step 6: Final answer
    x = 211.47

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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.