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Finding the Fourth Proportional to 360.45, 537.93 and 351.18

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Solution

The fourth proportional to 360.45, 537.93 and 351.18 is: 524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.45 : 537.93 = 351.18 : x
  2. Step 2: Convert to fraction form
    360.45/537.93 = 351.18/x
  3. Step 3: Cross multiply
    360.45x = 537.93 × 351.18
  4. Step 4: Simplify right side
    360.45x = 188,910.26
  5. Step 5: Solve for x
    x = 188,910.26/360.45
  6. Step 6: Final answer
    x = 524.10

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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.