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Finding the Fourth Proportional to 681.41, 941.20 and 592.71

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Solution

The fourth proportional to 681.41, 941.20 and 592.71 is: 818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    681.41 : 941.20 = 592.71 : x
  2. Step 2: Convert to fraction form
    681.41/941.20 = 592.71/x
  3. Step 3: Cross multiply
    681.41x = 941.20 × 592.71
  4. Step 4: Simplify right side
    681.41x = 557,858.65
  5. Step 5: Solve for x
    x = 557,858.65/681.41
  6. Step 6: Final answer
    x = 818.69

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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.