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Finding the Fourth Proportional to 397.53, 593.03 and 373.23

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Solution

The fourth proportional to 397.53, 593.03 and 373.23 is: 556.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.53 : 593.03 = 373.23 : x
  2. Step 2: Convert to fraction form
    397.53/593.03 = 373.23/x
  3. Step 3: Cross multiply
    397.53x = 593.03 × 373.23
  4. Step 4: Simplify right side
    397.53x = 221,337.52
  5. Step 5: Solve for x
    x = 221,337.52/397.53
  6. Step 6: Final answer
    x = 556.78

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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.