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Finding the Fourth Proportional to 440.04, 660.05 and 151.47

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Solution

The fourth proportional to 440.04, 660.05 and 151.47 is: 227.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.04 : 660.05 = 151.47 : x
  2. Step 2: Convert to fraction form
    440.04/660.05 = 151.47/x
  3. Step 3: Cross multiply
    440.04x = 660.05 × 151.47
  4. Step 4: Simplify right side
    440.04x = 99,973.72
  5. Step 5: Solve for x
    x = 99,973.72/440.04
  6. Step 6: Final answer
    x = 227.19

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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.