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Finding the Fourth Proportional to 614.04, 846.84 and 531.12

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Solution

The fourth proportional to 614.04, 846.84 and 531.12 is: 732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.04 : 846.84 = 531.12 : x
  2. Step 2: Convert to fraction form
    614.04/846.84 = 531.12/x
  3. Step 3: Cross multiply
    614.04x = 846.84 × 531.12
  4. Step 4: Simplify right side
    614.04x = 449,773.66
  5. Step 5: Solve for x
    x = 449,773.66/614.04
  6. Step 6: Final answer
    x = 732.48

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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.