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Finding the Fourth Proportional to 507.91, 700.86 and 350.23

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Solution

The fourth proportional to 507.91, 700.86 and 350.23 is: 483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.91 : 700.86 = 350.23 : x
  2. Step 2: Convert to fraction form
    507.91/700.86 = 350.23/x
  3. Step 3: Cross multiply
    507.91x = 700.86 × 350.23
  4. Step 4: Simplify right side
    507.91x = 245,462.20
  5. Step 5: Solve for x
    x = 245,462.20/507.91
  6. Step 6: Final answer
    x = 483.28

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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.