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Finding the Fourth Proportional to 700.50, 966.30 and 617.34

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Solution

The fourth proportional to 700.50, 966.30 and 617.34 is: 851.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.50 : 966.30 = 617.34 : x
  2. Step 2: Convert to fraction form
    700.50/966.30 = 617.34/x
  3. Step 3: Cross multiply
    700.50x = 966.30 × 617.34
  4. Step 4: Simplify right side
    700.50x = 596,535.64
  5. Step 5: Solve for x
    x = 596,535.64/700.50
  6. Step 6: Final answer
    x = 851.59

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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.