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Finding the Fourth Proportional to 362.56, 503.84 and 357.96

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Solution

The fourth proportional to 362.56, 503.84 and 357.96 is: 497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.56 : 503.84 = 357.96 : x
  2. Step 2: Convert to fraction form
    362.56/503.84 = 357.96/x
  3. Step 3: Cross multiply
    362.56x = 503.84 × 357.96
  4. Step 4: Simplify right side
    362.56x = 180,354.57
  5. Step 5: Solve for x
    x = 180,354.57/362.56
  6. Step 6: Final answer
    x = 497.45

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.