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Finding the Fourth Proportional to 174.02, 240.15 and 127.37

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Solution

The fourth proportional to 174.02, 240.15 and 127.37 is: 175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.02 : 240.15 = 127.37 : x
  2. Step 2: Convert to fraction form
    174.02/240.15 = 127.37/x
  3. Step 3: Cross multiply
    174.02x = 240.15 × 127.37
  4. Step 4: Simplify right side
    174.02x = 30,586.70
  5. Step 5: Solve for x
    x = 30,586.70/174.02
  6. Step 6: Final answer
    x = 175.77

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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.