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Finding the Fourth Proportional to 131.59, 182.44 and 124.30

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Solution

The fourth proportional to 131.59, 182.44 and 124.30 is: 172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.59 : 182.44 = 124.30 : x
  2. Step 2: Convert to fraction form
    131.59/182.44 = 124.30/x
  3. Step 3: Cross multiply
    131.59x = 182.44 × 124.30
  4. Step 4: Simplify right side
    131.59x = 22,677.29
  5. Step 5: Solve for x
    x = 22,677.29/131.59
  6. Step 6: Final answer
    x = 172.33

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.