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Finding the Fourth Proportional to 336.73, 505.02 and 93.19

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Solution

The fourth proportional to 336.73, 505.02 and 93.19 is: 139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.73 : 505.02 = 93.19 : x
  2. Step 2: Convert to fraction form
    336.73/505.02 = 93.19/x
  3. Step 3: Cross multiply
    336.73x = 505.02 × 93.19
  4. Step 4: Simplify right side
    336.73x = 47,060.29
  5. Step 5: Solve for x
    x = 47,060.29/336.73
  6. Step 6: Final answer
    x = 139.76

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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.