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Finding the Fourth Proportional to 799.32, 1,199.48 and 366.47

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Solution

The fourth proportional to 799.32, 1,199.48 and 366.47 is: 549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    799.32 : 1,199.48 = 366.47 : x
  2. Step 2: Convert to fraction form
    799.32/1,199.48 = 366.47/x
  3. Step 3: Cross multiply
    799.32x = 1,199.48 × 366.47
  4. Step 4: Simplify right side
    799.32x = 439,565.61
  5. Step 5: Solve for x
    x = 439,565.61/799.32
  6. Step 6: Final answer
    x = 549.92

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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.