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Finding the Fourth Proportional to 593.92, 887.51 and 485.80

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Solution

The fourth proportional to 593.92, 887.51 and 485.80 is: 725.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.92 : 887.51 = 485.80 : x
  2. Step 2: Convert to fraction form
    593.92/887.51 = 485.80/x
  3. Step 3: Cross multiply
    593.92x = 887.51 × 485.80
  4. Step 4: Simplify right side
    593.92x = 431,152.36
  5. Step 5: Solve for x
    x = 431,152.36/593.92
  6. Step 6: Final answer
    x = 725.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.