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Finding the Fourth Proportional to 555.96, 832.95 and 447.51

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Solution

The fourth proportional to 555.96, 832.95 and 447.51 is: 670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.96 : 832.95 = 447.51 : x
  2. Step 2: Convert to fraction form
    555.96/832.95 = 447.51/x
  3. Step 3: Cross multiply
    555.96x = 832.95 × 447.51
  4. Step 4: Simplify right side
    555.96x = 372,753.45
  5. Step 5: Solve for x
    x = 372,753.45/555.96
  6. Step 6: Final answer
    x = 670.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.