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Finding the Fourth Proportional to 592.04, 816.75 and 355.85

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Solution

The fourth proportional to 592.04, 816.75 and 355.85 is: 490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.04 : 816.75 = 355.85 : x
  2. Step 2: Convert to fraction form
    592.04/816.75 = 355.85/x
  3. Step 3: Cross multiply
    592.04x = 816.75 × 355.85
  4. Step 4: Simplify right side
    592.04x = 290,641.38
  5. Step 5: Solve for x
    x = 290,641.38/592.04
  6. Step 6: Final answer
    x = 490.92

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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.