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Finding the Fourth Proportional to 677.42, 934.41 and 467.23

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Solution

The fourth proportional to 677.42, 934.41 and 467.23 is: 644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    677.42 : 934.41 = 467.23 : x
  2. Step 2: Convert to fraction form
    677.42/934.41 = 467.23/x
  3. Step 3: Cross multiply
    677.42x = 934.41 × 467.23
  4. Step 4: Simplify right side
    677.42x = 436,583.80
  5. Step 5: Solve for x
    x = 436,583.80/677.42
  6. Step 6: Final answer
    x = 644.48

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Double scale
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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.