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Finding the Fourth Proportional to 593.65, 889.60 and 528.78

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Solution

The fourth proportional to 593.65, 889.60 and 528.78 is: 792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.65 : 889.60 = 528.78 : x
  2. Step 2: Convert to fraction form
    593.65/889.60 = 528.78/x
  3. Step 3: Cross multiply
    593.65x = 889.60 × 528.78
  4. Step 4: Simplify right side
    593.65x = 470,398.24
  5. Step 5: Solve for x
    x = 470,398.24/593.65
  6. Step 6: Final answer
    x = 792.38

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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.