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Finding the Fourth Proportional to 371.03, 553.54 and 334.13

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Solution

The fourth proportional to 371.03, 553.54 and 334.13 is: 498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.03 : 553.54 = 334.13 : x
  2. Step 2: Convert to fraction form
    371.03/553.54 = 334.13/x
  3. Step 3: Cross multiply
    371.03x = 553.54 × 334.13
  4. Step 4: Simplify right side
    371.03x = 184,950.72
  5. Step 5: Solve for x
    x = 184,950.72/371.03
  6. Step 6: Final answer
    x = 498.48

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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.