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Finding the Fourth Proportional to 164.06, 247.11 and 152.79

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Solution

The fourth proportional to 164.06, 247.11 and 152.79 is: 230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.06 : 247.11 = 152.79 : x
  2. Step 2: Convert to fraction form
    164.06/247.11 = 152.79/x
  3. Step 3: Cross multiply
    164.06x = 247.11 × 152.79
  4. Step 4: Simplify right side
    164.06x = 37,755.94
  5. Step 5: Solve for x
    x = 37,755.94/164.06
  6. Step 6: Final answer
    x = 230.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.