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Finding the Fourth Proportional to 463.50, 695.62 and 271.26

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Solution

The fourth proportional to 463.50, 695.62 and 271.26 is: 407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.50 : 695.62 = 271.26 : x
  2. Step 2: Convert to fraction form
    463.50/695.62 = 271.26/x
  3. Step 3: Cross multiply
    463.50x = 695.62 × 271.26
  4. Step 4: Simplify right side
    463.50x = 188,693.88
  5. Step 5: Solve for x
    x = 188,693.88/463.50
  6. Step 6: Final answer
    x = 407.11

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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.