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Finding the Fourth Proportional to 360.05, 539.94 and 116.51

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Solution

The fourth proportional to 360.05, 539.94 and 116.51 is: 174.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.05 : 539.94 = 116.51 : x
  2. Step 2: Convert to fraction form
    360.05/539.94 = 116.51/x
  3. Step 3: Cross multiply
    360.05x = 539.94 × 116.51
  4. Step 4: Simplify right side
    360.05x = 62,905.71
  5. Step 5: Solve for x
    x = 62,905.71/360.05
  6. Step 6: Final answer
    x = 174.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.