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Finding the Fourth Proportional to 598.19, 825.99 and 508.79

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Solution

The fourth proportional to 598.19, 825.99 and 508.79 is: 702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.19 : 825.99 = 508.79 : x
  2. Step 2: Convert to fraction form
    598.19/825.99 = 508.79/x
  3. Step 3: Cross multiply
    598.19x = 825.99 × 508.79
  4. Step 4: Simplify right side
    598.19x = 420,255.45
  5. Step 5: Solve for x
    x = 420,255.45/598.19
  6. Step 6: Final answer
    x = 702.55

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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.