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Finding the Fourth Proportional to 333.79, 500.96 and 187.51

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Solution

The fourth proportional to 333.79, 500.96 and 187.51 is: 281.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.79 : 500.96 = 187.51 : x
  2. Step 2: Convert to fraction form
    333.79/500.96 = 187.51/x
  3. Step 3: Cross multiply
    333.79x = 500.96 × 187.51
  4. Step 4: Simplify right side
    333.79x = 93,935.32
  5. Step 5: Solve for x
    x = 93,935.32/333.79
  6. Step 6: Final answer
    x = 281.42

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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.