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Finding the Fourth Proportional to 375.58, 514.55 and 374.50

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Solution

The fourth proportional to 375.58, 514.55 and 374.50 is: 513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.58 : 514.55 = 374.50 : x
  2. Step 2: Convert to fraction form
    375.58/514.55 = 374.50/x
  3. Step 3: Cross multiply
    375.58x = 514.55 × 374.50
  4. Step 4: Simplify right side
    375.58x = 192,698.98
  5. Step 5: Solve for x
    x = 192,698.98/375.58
  6. Step 6: Final answer
    x = 513.07

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.