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Finding the Fourth Proportional to 675.70, 932.07 and 426.58

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Solution

The fourth proportional to 675.70, 932.07 and 426.58 is: 588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.70 : 932.07 = 426.58 : x
  2. Step 2: Convert to fraction form
    675.70/932.07 = 426.58/x
  3. Step 3: Cross multiply
    675.70x = 932.07 × 426.58
  4. Step 4: Simplify right side
    675.70x = 397,602.42
  5. Step 5: Solve for x
    x = 397,602.42/675.70
  6. Step 6: Final answer
    x = 588.43

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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.