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Finding the Fourth Proportional to 362.56, 500.53 and 277.85

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Solution

The fourth proportional to 362.56, 500.53 and 277.85 is: 383.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.56 : 500.53 = 277.85 : x
  2. Step 2: Convert to fraction form
    362.56/500.53 = 277.85/x
  3. Step 3: Cross multiply
    362.56x = 500.53 × 277.85
  4. Step 4: Simplify right side
    362.56x = 139,070.52
  5. Step 5: Solve for x
    x = 139,070.52/362.56
  6. Step 6: Final answer
    x = 383.58

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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.