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Finding the Fourth Proportional to 114.04, 157.03 and 96.63

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Solution

The fourth proportional to 114.04, 157.03 and 96.63 is: 133.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.04 : 157.03 = 96.63 : x
  2. Step 2: Convert to fraction form
    114.04/157.03 = 96.63/x
  3. Step 3: Cross multiply
    114.04x = 157.03 × 96.63
  4. Step 4: Simplify right side
    114.04x = 15,173.81
  5. Step 5: Solve for x
    x = 15,173.81/114.04
  6. Step 6: Final answer
    x = 133.06

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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.