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Finding the Fourth Proportional to 537.03, 744.53 and 518

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Solution

The fourth proportional to 537.03, 744.53 and 518 is: 718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.03 : 744.53 = 518 : x
  2. Step 2: Convert to fraction form
    537.03/744.53 = 518/x
  3. Step 3: Cross multiply
    537.03x = 744.53 × 518
  4. Step 4: Simplify right side
    537.03x = 385,666.54
  5. Step 5: Solve for x
    x = 385,666.54/537.03
  6. Step 6: Final answer
    x = 718.15

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