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Finding the Fourth Proportional to 593.48, 889.44 and 318.90

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Solution

The fourth proportional to 593.48, 889.44 and 318.90 is: 477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.48 : 889.44 = 318.90 : x
  2. Step 2: Convert to fraction form
    593.48/889.44 = 318.90/x
  3. Step 3: Cross multiply
    593.48x = 889.44 × 318.90
  4. Step 4: Simplify right side
    593.48x = 283,642.42
  5. Step 5: Solve for x
    x = 283,642.42/593.48
  6. Step 6: Final answer
    x = 477.93

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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.