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Finding the Fourth Proportional to 340.92, 469.85 and 334.98

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Solution

The fourth proportional to 340.92, 469.85 and 334.98 is: 461.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.92 : 469.85 = 334.98 : x
  2. Step 2: Convert to fraction form
    340.92/469.85 = 334.98/x
  3. Step 3: Cross multiply
    340.92x = 469.85 × 334.98
  4. Step 4: Simplify right side
    340.92x = 157,388.68
  5. Step 5: Solve for x
    x = 157,388.68/340.92
  6. Step 6: Final answer
    x = 461.66

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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.