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Finding the Fourth Proportional to 799.61, 1,102.52 and 547.66

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Solution

The fourth proportional to 799.61, 1,102.52 and 547.66 is: 755.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    799.61 : 1,102.52 = 547.66 : x
  2. Step 2: Convert to fraction form
    799.61/1,102.52 = 547.66/x
  3. Step 3: Cross multiply
    799.61x = 1,102.52 × 547.66
  4. Step 4: Simplify right side
    799.61x = 603,808.75
  5. Step 5: Solve for x
    x = 603,808.75/799.61
  6. Step 6: Final answer
    x = 755.13

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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.