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Finding the Fourth Proportional to 508, 756.95 and 453.49

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Solution

The fourth proportional to 508, 756.95 and 453.49 is: 675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    508 : 756.95 = 453.49 : x
  2. Step 2: Convert to fraction form
    508/756.95 = 453.49/x
  3. Step 3: Cross multiply
    508x = 756.95 × 453.49
  4. Step 4: Simplify right side
    508x = 343,269.26
  5. Step 5: Solve for x
    x = 343,269.26/508
  6. Step 6: Final answer
    x = 675.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.