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Finding the Fourth Proportional to 596.48, 893.28 and 505.28

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Solution

The fourth proportional to 596.48, 893.28 and 505.28 is: 756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.48 : 893.28 = 505.28 : x
  2. Step 2: Convert to fraction form
    596.48/893.28 = 505.28/x
  3. Step 3: Cross multiply
    596.48x = 893.28 × 505.28
  4. Step 4: Simplify right side
    596.48x = 451,356.52
  5. Step 5: Solve for x
    x = 451,356.52/596.48
  6. Step 6: Final answer
    x = 756.70

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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.