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Finding the Fourth Proportional to 482.76, 665.86 and 327.24

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Solution

The fourth proportional to 482.76, 665.86 and 327.24 is: 451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.76 : 665.86 = 327.24 : x
  2. Step 2: Convert to fraction form
    482.76/665.86 = 327.24/x
  3. Step 3: Cross multiply
    482.76x = 665.86 × 327.24
  4. Step 4: Simplify right side
    482.76x = 217,896.03
  5. Step 5: Solve for x
    x = 217,896.03/482.76
  6. Step 6: Final answer
    x = 451.35

Related Problems

Find fourth proportional to 241.38, 332.93 and 163.62
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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.