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Finding the Fourth Proportional to 510.36, 704.61 and 324.12

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Solution

The fourth proportional to 510.36, 704.61 and 324.12 is: 447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.36 : 704.61 = 324.12 : x
  2. Step 2: Convert to fraction form
    510.36/704.61 = 324.12/x
  3. Step 3: Cross multiply
    510.36x = 704.61 × 324.12
  4. Step 4: Simplify right side
    510.36x = 228,378.19
  5. Step 5: Solve for x
    x = 228,378.19/510.36
  6. Step 6: Final answer
    x = 447.48

Related Problems

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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.