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Finding the Fourth Proportional to 362.59, 500.56 and 279.51

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Solution

The fourth proportional to 362.59, 500.56 and 279.51 is: 385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.59 : 500.56 = 279.51 : x
  2. Step 2: Convert to fraction form
    362.59/500.56 = 279.51/x
  3. Step 3: Cross multiply
    362.59x = 500.56 × 279.51
  4. Step 4: Simplify right side
    362.59x = 139,911.53
  5. Step 5: Solve for x
    x = 139,911.53/362.59
  6. Step 6: Final answer
    x = 385.87

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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.