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Finding the Fourth Proportional to 410.74, 565.67 and 379.96

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Solution

The fourth proportional to 410.74, 565.67 and 379.96 is: 523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.74 : 565.67 = 379.96 : x
  2. Step 2: Convert to fraction form
    410.74/565.67 = 379.96/x
  3. Step 3: Cross multiply
    410.74x = 565.67 × 379.96
  4. Step 4: Simplify right side
    410.74x = 214,931.51
  5. Step 5: Solve for x
    x = 214,931.51/410.74
  6. Step 6: Final answer
    x = 523.28

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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.