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Finding the Fourth Proportional to 382.59, 527.99 and 264.53

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Solution

The fourth proportional to 382.59, 527.99 and 264.53 is: 365.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.59 : 527.99 = 264.53 : x
  2. Step 2: Convert to fraction form
    382.59/527.99 = 264.53/x
  3. Step 3: Cross multiply
    382.59x = 527.99 × 264.53
  4. Step 4: Simplify right side
    382.59x = 139,669.19
  5. Step 5: Solve for x
    x = 139,669.19/382.59
  6. Step 6: Final answer
    x = 365.06

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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.