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Finding the Fourth Proportional to 637.64, 955.03 and 546.51

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Solution

The fourth proportional to 637.64, 955.03 and 546.51 is: 818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.64 : 955.03 = 546.51 : x
  2. Step 2: Convert to fraction form
    637.64/955.03 = 546.51/x
  3. Step 3: Cross multiply
    637.64x = 955.03 × 546.51
  4. Step 4: Simplify right side
    637.64x = 521,933.45
  5. Step 5: Solve for x
    x = 521,933.45/637.64
  6. Step 6: Final answer
    x = 818.54

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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.