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Finding the Fourth Proportional to 336.72, 463.74 and 335.76

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Solution

The fourth proportional to 336.72, 463.74 and 335.76 is: 462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.72 : 463.74 = 335.76 : x
  2. Step 2: Convert to fraction form
    336.72/463.74 = 335.76/x
  3. Step 3: Cross multiply
    336.72x = 463.74 × 335.76
  4. Step 4: Simplify right side
    336.72x = 155,705.34
  5. Step 5: Solve for x
    x = 155,705.34/336.72
  6. Step 6: Final answer
    x = 462.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.