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Finding the Fourth Proportional to 463.83, 694.83 and 435.12

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Solution

The fourth proportional to 463.83, 694.83 and 435.12 is: 651.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.83 : 694.83 = 435.12 : x
  2. Step 2: Convert to fraction form
    463.83/694.83 = 435.12/x
  3. Step 3: Cross multiply
    463.83x = 694.83 × 435.12
  4. Step 4: Simplify right side
    463.83x = 302,334.92
  5. Step 5: Solve for x
    x = 302,334.92/463.83
  6. Step 6: Final answer
    x = 651.83

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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.