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Finding the Fourth Proportional to 336.50, 503.98 and 283.49

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Solution

The fourth proportional to 336.50, 503.98 and 283.49 is: 424.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.50 : 503.98 = 283.49 : x
  2. Step 2: Convert to fraction form
    336.50/503.98 = 283.49/x
  3. Step 3: Cross multiply
    336.50x = 503.98 × 283.49
  4. Step 4: Simplify right side
    336.50x = 142,873.29
  5. Step 5: Solve for x
    x = 142,873.29/336.50
  6. Step 6: Final answer
    x = 424.59

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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.