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Finding the Fourth Proportional to 113.34, 156.27 and 92.37

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Solution

The fourth proportional to 113.34, 156.27 and 92.37 is: 127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.34 : 156.27 = 92.37 : x
  2. Step 2: Convert to fraction form
    113.34/156.27 = 92.37/x
  3. Step 3: Cross multiply
    113.34x = 156.27 × 92.37
  4. Step 4: Simplify right side
    113.34x = 14,434.66
  5. Step 5: Solve for x
    x = 14,434.66/113.34
  6. Step 6: Final answer
    x = 127.36

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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.