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Finding the Fourth Proportional to 360.60, 538.29 and 336.56

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Solution

The fourth proportional to 360.60, 538.29 and 336.56 is: 502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.60 : 538.29 = 336.56 : x
  2. Step 2: Convert to fraction form
    360.60/538.29 = 336.56/x
  3. Step 3: Cross multiply
    360.60x = 538.29 × 336.56
  4. Step 4: Simplify right side
    360.60x = 181,166.88
  5. Step 5: Solve for x
    x = 181,166.88/360.60
  6. Step 6: Final answer
    x = 502.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.