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Finding the Fourth Proportional to 603.20, 826.98 and 592.26

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Solution

The fourth proportional to 603.20, 826.98 and 592.26 is: 811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.20 : 826.98 = 592.26 : x
  2. Step 2: Convert to fraction form
    603.20/826.98 = 592.26/x
  3. Step 3: Cross multiply
    603.20x = 826.98 × 592.26
  4. Step 4: Simplify right side
    603.20x = 489,787.17
  5. Step 5: Solve for x
    x = 489,787.17/603.20
  6. Step 6: Final answer
    x = 811.99

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.