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Finding the Fourth Proportional to 114.33, 157.71 and 92.53

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Solution

The fourth proportional to 114.33, 157.71 and 92.53 is: 127.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.33 : 157.71 = 92.53 : x
  2. Step 2: Convert to fraction form
    114.33/157.71 = 92.53/x
  3. Step 3: Cross multiply
    114.33x = 157.71 × 92.53
  4. Step 4: Simplify right side
    114.33x = 14,592.91
  5. Step 5: Solve for x
    x = 14,592.91/114.33
  6. Step 6: Final answer
    x = 127.64

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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.