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Finding the Fourth Proportional to 374.56, 515.80 and 366.08

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Solution

The fourth proportional to 374.56, 515.80 and 366.08 is: 504.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.56 : 515.80 = 366.08 : x
  2. Step 2: Convert to fraction form
    374.56/515.80 = 366.08/x
  3. Step 3: Cross multiply
    374.56x = 515.80 × 366.08
  4. Step 4: Simplify right side
    374.56x = 188,824.06
  5. Step 5: Solve for x
    x = 188,824.06/374.56
  6. Step 6: Final answer
    x = 504.12

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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.