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Finding the Fourth Proportional to 701.66, 967.95 and 453.20

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Solution

The fourth proportional to 701.66, 967.95 and 453.20 is: 625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.66 : 967.95 = 453.20 : x
  2. Step 2: Convert to fraction form
    701.66/967.95 = 453.20/x
  3. Step 3: Cross multiply
    701.66x = 967.95 × 453.20
  4. Step 4: Simplify right side
    701.66x = 438,670.10
  5. Step 5: Solve for x
    x = 438,670.10/701.66
  6. Step 6: Final answer
    x = 625.19

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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.