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Finding the Fourth Proportional to 671.26, 928.05 and 506.32

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Solution

The fourth proportional to 671.26, 928.05 and 506.32 is: 700.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.26 : 928.05 = 506.32 : x
  2. Step 2: Convert to fraction form
    671.26/928.05 = 506.32/x
  3. Step 3: Cross multiply
    671.26x = 928.05 × 506.32
  4. Step 4: Simplify right side
    671.26x = 469,890.28
  5. Step 5: Solve for x
    x = 469,890.28/671.26
  6. Step 6: Final answer
    x = 700.01

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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.