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Finding the Fourth Proportional to 706.22, 974.55 and 444.38

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Solution

The fourth proportional to 706.22, 974.55 and 444.38 is: 613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.22 : 974.55 = 444.38 : x
  2. Step 2: Convert to fraction form
    706.22/974.55 = 444.38/x
  3. Step 3: Cross multiply
    706.22x = 974.55 × 444.38
  4. Step 4: Simplify right side
    706.22x = 433,070.53
  5. Step 5: Solve for x
    x = 433,070.53/706.22
  6. Step 6: Final answer
    x = 613.22

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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.