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Finding the Fourth Proportional to 233.79, 350.66 and 60.46

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Solution

The fourth proportional to 233.79, 350.66 and 60.46 is: 90.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.79 : 350.66 = 60.46 : x
  2. Step 2: Convert to fraction form
    233.79/350.66 = 60.46/x
  3. Step 3: Cross multiply
    233.79x = 350.66 × 60.46
  4. Step 4: Simplify right side
    233.79x = 21,201.12
  5. Step 5: Solve for x
    x = 21,201.12/233.79
  6. Step 6: Final answer
    x = 90.68

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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.