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Finding the Fourth Proportional to 336.85, 501.98 and 325.85

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Solution

The fourth proportional to 336.85, 501.98 and 325.85 is: 485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.85 : 501.98 = 325.85 : x
  2. Step 2: Convert to fraction form
    336.85/501.98 = 325.85/x
  3. Step 3: Cross multiply
    336.85x = 501.98 × 325.85
  4. Step 4: Simplify right side
    336.85x = 163,570.18
  5. Step 5: Solve for x
    x = 163,570.18/336.85
  6. Step 6: Final answer
    x = 485.59

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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.