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Finding the Fourth Proportional to 373.01, 556.85 and 331.99

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Solution

The fourth proportional to 373.01, 556.85 and 331.99 is: 495.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.01 : 556.85 = 331.99 : x
  2. Step 2: Convert to fraction form
    373.01/556.85 = 331.99/x
  3. Step 3: Cross multiply
    373.01x = 556.85 × 331.99
  4. Step 4: Simplify right side
    373.01x = 184,868.07
  5. Step 5: Solve for x
    x = 184,868.07/373.01
  6. Step 6: Final answer
    x = 495.62

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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.