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Finding the Fourth Proportional to 344.61, 515.10 and 336.41

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Solution

The fourth proportional to 344.61, 515.10 and 336.41 is: 502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.61 : 515.10 = 336.41 : x
  2. Step 2: Convert to fraction form
    344.61/515.10 = 336.41/x
  3. Step 3: Cross multiply
    344.61x = 515.10 × 336.41
  4. Step 4: Simplify right side
    344.61x = 173,284.79
  5. Step 5: Solve for x
    x = 173,284.79/344.61
  6. Step 6: Final answer
    x = 502.84

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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.