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Finding the Fourth Proportional to 440.07, 657.24 and 374.37

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Solution

The fourth proportional to 440.07, 657.24 and 374.37 is: 559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.07 : 657.24 = 374.37 : x
  2. Step 2: Convert to fraction form
    440.07/657.24 = 374.37/x
  3. Step 3: Cross multiply
    440.07x = 657.24 × 374.37
  4. Step 4: Simplify right side
    440.07x = 246,050.94
  5. Step 5: Solve for x
    x = 246,050.94/440.07
  6. Step 6: Final answer
    x = 559.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.