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Finding the Fourth Proportional to 681.04, 938.08 and 533.41

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Solution

The fourth proportional to 681.04, 938.08 and 533.41 is: 734.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    681.04 : 938.08 = 533.41 : x
  2. Step 2: Convert to fraction form
    681.04/938.08 = 533.41/x
  3. Step 3: Cross multiply
    681.04x = 938.08 × 533.41
  4. Step 4: Simplify right side
    681.04x = 500,381.25
  5. Step 5: Solve for x
    x = 500,381.25/681.04
  6. Step 6: Final answer
    x = 734.73

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1.5x scale

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.