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Finding the Fourth Proportional to 700.08, 966.32 and 451.40

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Solution

The fourth proportional to 700.08, 966.32 and 451.40 is: 623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.08 : 966.32 = 451.40 : x
  2. Step 2: Convert to fraction form
    700.08/966.32 = 451.40/x
  3. Step 3: Cross multiply
    700.08x = 966.32 × 451.40
  4. Step 4: Simplify right side
    700.08x = 436,191.45
  5. Step 5: Solve for x
    x = 436,191.45/700.08
  6. Step 6: Final answer
    x = 623.06

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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.