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Finding the Fourth Proportional to 531.16, 733.25 and 426.06

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Solution

The fourth proportional to 531.16, 733.25 and 426.06 is: 588.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.16 : 733.25 = 426.06 : x
  2. Step 2: Convert to fraction form
    531.16/733.25 = 426.06/x
  3. Step 3: Cross multiply
    531.16x = 733.25 × 426.06
  4. Step 4: Simplify right side
    531.16x = 312,409.56
  5. Step 5: Solve for x
    x = 312,409.56/531.16
  6. Step 6: Final answer
    x = 588.17

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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.