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Finding the Fourth Proportional to 637.05, 955.53 and 174.81

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Solution

The fourth proportional to 637.05, 955.53 and 174.81 is: 262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.05 : 955.53 = 174.81 : x
  2. Step 2: Convert to fraction form
    637.05/955.53 = 174.81/x
  3. Step 3: Cross multiply
    637.05x = 955.53 × 174.81
  4. Step 4: Simplify right side
    637.05x = 167,036.20
  5. Step 5: Solve for x
    x = 167,036.20/637.05
  6. Step 6: Final answer
    x = 262.20

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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.