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Finding the Fourth Proportional to 336.33, 466.02 and 328.77

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Solution

The fourth proportional to 336.33, 466.02 and 328.77 is: 455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.33 : 466.02 = 328.77 : x
  2. Step 2: Convert to fraction form
    336.33/466.02 = 328.77/x
  3. Step 3: Cross multiply
    336.33x = 466.02 × 328.77
  4. Step 4: Simplify right side
    336.33x = 153,213.40
  5. Step 5: Solve for x
    x = 153,213.40/336.33
  6. Step 6: Final answer
    x = 455.54

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.