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Finding the Fourth Proportional to 374.74, 565.03 and 352.54

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Solution

The fourth proportional to 374.74, 565.03 and 352.54 is: 531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.74 : 565.03 = 352.54 : x
  2. Step 2: Convert to fraction form
    374.74/565.03 = 352.54/x
  3. Step 3: Cross multiply
    374.74x = 565.03 × 352.54
  4. Step 4: Simplify right side
    374.74x = 199,195.68
  5. Step 5: Solve for x
    x = 199,195.68/374.74
  6. Step 6: Final answer
    x = 531.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.