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Finding the Fourth Proportional to 170.03, 234.47 and 123.32

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Solution

The fourth proportional to 170.03, 234.47 and 123.32 is: 170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.03 : 234.47 = 123.32 : x
  2. Step 2: Convert to fraction form
    170.03/234.47 = 123.32/x
  3. Step 3: Cross multiply
    170.03x = 234.47 × 123.32
  4. Step 4: Simplify right side
    170.03x = 28,913.05
  5. Step 5: Solve for x
    x = 28,913.05/170.03
  6. Step 6: Final answer
    x = 170.05

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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.