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Finding the Fourth Proportional to 358.44, 534.06 and 334.87

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Solution

The fourth proportional to 358.44, 534.06 and 334.87 is: 498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.44 : 534.06 = 334.87 : x
  2. Step 2: Convert to fraction form
    358.44/534.06 = 334.87/x
  3. Step 3: Cross multiply
    358.44x = 534.06 × 334.87
  4. Step 4: Simplify right side
    358.44x = 178,839.34
  5. Step 5: Solve for x
    x = 178,839.34/358.44
  6. Step 6: Final answer
    x = 498.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.