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Finding the Fourth Proportional to 586.84, 809 and 462

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Solution

The fourth proportional to 586.84, 809 and 462 is: 636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.84 : 809 = 462 : x
  2. Step 2: Convert to fraction form
    586.84/809 = 462/x
  3. Step 3: Cross multiply
    586.84x = 809 × 462
  4. Step 4: Simplify right side
    586.84x = 373,758
  5. Step 5: Solve for x
    x = 373,758/586.84
  6. Step 6: Final answer
    x = 636.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.