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Finding the Fourth Proportional to 124.19, 185.41 and 123.33

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Solution

The fourth proportional to 124.19, 185.41 and 123.33 is: 184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.19 : 185.41 = 123.33 : x
  2. Step 2: Convert to fraction form
    124.19/185.41 = 123.33/x
  3. Step 3: Cross multiply
    124.19x = 185.41 × 123.33
  4. Step 4: Simplify right side
    124.19x = 22,866.62
  5. Step 5: Solve for x
    x = 22,866.62/124.19
  6. Step 6: Final answer
    x = 184.13

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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.