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Finding the Fourth Proportional to 701.40, 966.96 and 504.30

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Solution

The fourth proportional to 701.40, 966.96 and 504.30 is: 695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.40 : 966.96 = 504.30 : x
  2. Step 2: Convert to fraction form
    701.40/966.96 = 504.30/x
  3. Step 3: Cross multiply
    701.40x = 966.96 × 504.30
  4. Step 4: Simplify right side
    701.40x = 487,637.93
  5. Step 5: Solve for x
    x = 487,637.93/701.40
  6. Step 6: Final answer
    x = 695.24

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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.