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Finding the Fourth Proportional to 793.70, 1,095.15 and 444.32

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Solution

The fourth proportional to 793.70, 1,095.15 and 444.32 is: 613.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.70 : 1,095.15 = 444.32 : x
  2. Step 2: Convert to fraction form
    793.70/1,095.15 = 444.32/x
  3. Step 3: Cross multiply
    793.70x = 1,095.15 × 444.32
  4. Step 4: Simplify right side
    793.70x = 486,597.05
  5. Step 5: Solve for x
    x = 486,597.05/793.70
  6. Step 6: Final answer
    x = 613.07

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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.