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Finding the Fourth Proportional to 336.58, 501.57 and 327.20

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Solution

The fourth proportional to 336.58, 501.57 and 327.20 is: 487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.58 : 501.57 = 327.20 : x
  2. Step 2: Convert to fraction form
    336.58/501.57 = 327.20/x
  3. Step 3: Cross multiply
    336.58x = 501.57 × 327.20
  4. Step 4: Simplify right side
    336.58x = 164,111.20
  5. Step 5: Solve for x
    x = 164,111.20/336.58
  6. Step 6: Final answer
    x = 487.59

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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.