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Finding the Fourth Proportional to 375.46, 518.55 and 373.06

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Solution

The fourth proportional to 375.46, 518.55 and 373.06 is: 515.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.46 : 518.55 = 373.06 : x
  2. Step 2: Convert to fraction form
    375.46/518.55 = 373.06/x
  3. Step 3: Cross multiply
    375.46x = 518.55 × 373.06
  4. Step 4: Simplify right side
    375.46x = 193,450.26
  5. Step 5: Solve for x
    x = 193,450.26/375.46
  6. Step 6: Final answer
    x = 515.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.