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Finding the Fourth Proportional to 511.08, 704.76 and 441.36

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Solution

The fourth proportional to 511.08, 704.76 and 441.36 is: 608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.08 : 704.76 = 441.36 : x
  2. Step 2: Convert to fraction form
    511.08/704.76 = 441.36/x
  3. Step 3: Cross multiply
    511.08x = 704.76 × 441.36
  4. Step 4: Simplify right side
    511.08x = 311,052.87
  5. Step 5: Solve for x
    x = 311,052.87/511.08
  6. Step 6: Final answer
    x = 608.62

Related Problems

Find fourth proportional to 255.54, 352.38 and 220.68
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Double scale
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Similar ratio
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1.5x scale

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.