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Finding the Fourth Proportional to 732.44, 1,098.77 and 245.57

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Solution

The fourth proportional to 732.44, 1,098.77 and 245.57 is: 368.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.44 : 1,098.77 = 245.57 : x
  2. Step 2: Convert to fraction form
    732.44/1,098.77 = 245.57/x
  3. Step 3: Cross multiply
    732.44x = 1,098.77 × 245.57
  4. Step 4: Simplify right side
    732.44x = 269,818.23
  5. Step 5: Solve for x
    x = 269,818.23/732.44
  6. Step 6: Final answer
    x = 368.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.