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Finding the Fourth Proportional to 592.95, 893.87 and 553.31

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Solution

The fourth proportional to 592.95, 893.87 and 553.31 is: 834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.95 : 893.87 = 553.31 : x
  2. Step 2: Convert to fraction form
    592.95/893.87 = 553.31/x
  3. Step 3: Cross multiply
    592.95x = 893.87 × 553.31
  4. Step 4: Simplify right side
    592.95x = 494,579.97
  5. Step 5: Solve for x
    x = 494,579.97/592.95
  6. Step 6: Final answer
    x = 834.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.