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Finding the Fourth Proportional to 180.01, 246.80 and 171.51

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Solution

The fourth proportional to 180.01, 246.80 and 171.51 is: 235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.01 : 246.80 = 171.51 : x
  2. Step 2: Convert to fraction form
    180.01/246.80 = 171.51/x
  3. Step 3: Cross multiply
    180.01x = 246.80 × 171.51
  4. Step 4: Simplify right side
    180.01x = 42,328.67
  5. Step 5: Solve for x
    x = 42,328.67/180.01
  6. Step 6: Final answer
    x = 235.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.