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Finding the Fourth Proportional to 700.46, 960.96 and 656.30

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Solution

The fourth proportional to 700.46, 960.96 and 656.30 is: 900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.46 : 960.96 = 656.30 : x
  2. Step 2: Convert to fraction form
    700.46/960.96 = 656.30/x
  3. Step 3: Cross multiply
    700.46x = 960.96 × 656.30
  4. Step 4: Simplify right side
    700.46x = 630,674.77
  5. Step 5: Solve for x
    x = 630,674.77/700.46
  6. Step 6: Final answer
    x = 900.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.