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Finding the Fourth Proportional to 233.33, 350.23 and 117.86

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Solution

The fourth proportional to 233.33, 350.23 and 117.86 is: 176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.33 : 350.23 = 117.86 : x
  2. Step 2: Convert to fraction form
    233.33/350.23 = 117.86/x
  3. Step 3: Cross multiply
    233.33x = 350.23 × 117.86
  4. Step 4: Simplify right side
    233.33x = 41,278.11
  5. Step 5: Solve for x
    x = 41,278.11/233.33
  6. Step 6: Final answer
    x = 176.91

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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.