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Finding the Fourth Proportional to 368.33, 552.54 and 124.86

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Solution

The fourth proportional to 368.33, 552.54 and 124.86 is: 187.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.33 : 552.54 = 124.86 : x
  2. Step 2: Convert to fraction form
    368.33/552.54 = 124.86/x
  3. Step 3: Cross multiply
    368.33x = 552.54 × 124.86
  4. Step 4: Simplify right side
    368.33x = 68,990.14
  5. Step 5: Solve for x
    x = 68,990.14/368.33
  6. Step 6: Final answer
    x = 187.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.