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Finding the Fourth Proportional to 374.99, 516.92 and 264.29

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Solution

The fourth proportional to 374.99, 516.92 and 264.29 is: 364.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.99 : 516.92 = 264.29 : x
  2. Step 2: Convert to fraction form
    374.99/516.92 = 264.29/x
  3. Step 3: Cross multiply
    374.99x = 516.92 × 264.29
  4. Step 4: Simplify right side
    374.99x = 136,612.88
  5. Step 5: Solve for x
    x = 136,612.88/374.99
  6. Step 6: Final answer
    x = 364.32

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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.