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Finding the Fourth Proportional to 654.34, 903.15 and 444.87

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Solution

The fourth proportional to 654.34, 903.15 and 444.87 is: 614.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.34 : 903.15 = 444.87 : x
  2. Step 2: Convert to fraction form
    654.34/903.15 = 444.87/x
  3. Step 3: Cross multiply
    654.34x = 903.15 × 444.87
  4. Step 4: Simplify right side
    654.34x = 401,784.34
  5. Step 5: Solve for x
    x = 401,784.34/654.34
  6. Step 6: Final answer
    x = 614.03

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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.