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Finding the Fourth Proportional to 508.14, 700.20 and 350.82

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Solution

The fourth proportional to 508.14, 700.20 and 350.82 is: 483.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.14 : 700.20 = 350.82 : x
  2. Step 2: Convert to fraction form
    508.14/700.20 = 350.82/x
  3. Step 3: Cross multiply
    508.14x = 700.20 × 350.82
  4. Step 4: Simplify right side
    508.14x = 245,644.16
  5. Step 5: Solve for x
    x = 245,644.16/508.14
  6. Step 6: Final answer
    x = 483.42

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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.