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Finding the Fourth Proportional to 516.84, 712.13 and 350.76

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Solution

The fourth proportional to 516.84, 712.13 and 350.76 is: 483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.84 : 712.13 = 350.76 : x
  2. Step 2: Convert to fraction form
    516.84/712.13 = 350.76/x
  3. Step 3: Cross multiply
    516.84x = 712.13 × 350.76
  4. Step 4: Simplify right side
    516.84x = 249,784.97
  5. Step 5: Solve for x
    x = 249,784.97/516.84
  6. Step 6: Final answer
    x = 483.29

Related Problems

Find fourth proportional to 258.42, 356.06 and 175.38
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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.