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Finding the Fourth Proportional to 114.14, 157.40 and 94.53

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Solution

The fourth proportional to 114.14, 157.40 and 94.53 is: 130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.14 : 157.40 = 94.53 : x
  2. Step 2: Convert to fraction form
    114.14/157.40 = 94.53/x
  3. Step 3: Cross multiply
    114.14x = 157.40 × 94.53
  4. Step 4: Simplify right side
    114.14x = 14,879.02
  5. Step 5: Solve for x
    x = 14,879.02/114.14
  6. Step 6: Final answer
    x = 130.36

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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.