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Finding the Fourth Proportional to 798.32, 1,101.74 and 444.27

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Solution

The fourth proportional to 798.32, 1,101.74 and 444.27 is: 613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.32 : 1,101.74 = 444.27 : x
  2. Step 2: Convert to fraction form
    798.32/1,101.74 = 444.27/x
  3. Step 3: Cross multiply
    798.32x = 1,101.74 × 444.27
  4. Step 4: Simplify right side
    798.32x = 489,475.27
  5. Step 5: Solve for x
    x = 489,475.27/798.32
  6. Step 6: Final answer
    x = 613.13

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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.