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Finding the Fourth Proportional to 713.77, 984.29 and 537.15

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Solution

The fourth proportional to 713.77, 984.29 and 537.15 is: 740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.77 : 984.29 = 537.15 : x
  2. Step 2: Convert to fraction form
    713.77/984.29 = 537.15/x
  3. Step 3: Cross multiply
    713.77x = 984.29 × 537.15
  4. Step 4: Simplify right side
    713.77x = 528,710.22
  5. Step 5: Solve for x
    x = 528,710.22/713.77
  6. Step 6: Final answer
    x = 740.73

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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.