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Finding the Fourth Proportional to 596.60, 893.30 and 433.40

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Solution

The fourth proportional to 596.60, 893.30 and 433.40 is: 648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.60 : 893.30 = 433.40 : x
  2. Step 2: Convert to fraction form
    596.60/893.30 = 433.40/x
  3. Step 3: Cross multiply
    596.60x = 893.30 × 433.40
  4. Step 4: Simplify right side
    596.60x = 387,156.22
  5. Step 5: Solve for x
    x = 387,156.22/596.60
  6. Step 6: Final answer
    x = 648.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.