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Finding the Fourth Proportional to 114.22, 170.47 and 102.06

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Solution

The fourth proportional to 114.22, 170.47 and 102.06 is: 152.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.22 : 170.47 = 102.06 : x
  2. Step 2: Convert to fraction form
    114.22/170.47 = 102.06/x
  3. Step 3: Cross multiply
    114.22x = 170.47 × 102.06
  4. Step 4: Simplify right side
    114.22x = 17,397.66
  5. Step 5: Solve for x
    x = 17,397.66/114.22
  6. Step 6: Final answer
    x = 152.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.