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Finding the Fourth Proportional to 463.76, 695.49 and 175.13

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Solution

The fourth proportional to 463.76, 695.49 and 175.13 is: 262.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.76 : 695.49 = 175.13 : x
  2. Step 2: Convert to fraction form
    463.76/695.49 = 175.13/x
  3. Step 3: Cross multiply
    463.76x = 695.49 × 175.13
  4. Step 4: Simplify right side
    463.76x = 121,797.69
  5. Step 5: Solve for x
    x = 121,797.69/463.76
  6. Step 6: Final answer
    x = 262.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.