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Finding the Fourth Proportional to 360.59, 497.39 and 229.37

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Solution

The fourth proportional to 360.59, 497.39 and 229.37 is: 316.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.59 : 497.39 = 229.37 : x
  2. Step 2: Convert to fraction form
    360.59/497.39 = 229.37/x
  3. Step 3: Cross multiply
    360.59x = 497.39 × 229.37
  4. Step 4: Simplify right side
    360.59x = 114,082.71
  5. Step 5: Solve for x
    x = 114,082.71/360.59
  6. Step 6: Final answer
    x = 316.38

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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.