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Finding the Fourth Proportional to 440.58, 608.16 and 265.90

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Solution

The fourth proportional to 440.58, 608.16 and 265.90 is: 367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.58 : 608.16 = 265.90 : x
  2. Step 2: Convert to fraction form
    440.58/608.16 = 265.90/x
  3. Step 3: Cross multiply
    440.58x = 608.16 × 265.90
  4. Step 4: Simplify right side
    440.58x = 161,709.74
  5. Step 5: Solve for x
    x = 161,709.74/440.58
  6. Step 6: Final answer
    x = 367.04

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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.