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Finding the Fourth Proportional to 507.26, 695.18 and 506.45

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Solution

The fourth proportional to 507.26, 695.18 and 506.45 is: 694.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.26 : 695.18 = 506.45 : x
  2. Step 2: Convert to fraction form
    507.26/695.18 = 506.45/x
  3. Step 3: Cross multiply
    507.26x = 695.18 × 506.45
  4. Step 4: Simplify right side
    507.26x = 352,076.92
  5. Step 5: Solve for x
    x = 352,076.92/507.26
  6. Step 6: Final answer
    x = 694.07

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.