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Finding the Fourth Proportional to 436.37, 657.69 and 376.23

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Solution

The fourth proportional to 436.37, 657.69 and 376.23 is: 567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.37 : 657.69 = 376.23 : x
  2. Step 2: Convert to fraction form
    436.37/657.69 = 376.23/x
  3. Step 3: Cross multiply
    436.37x = 657.69 × 376.23
  4. Step 4: Simplify right side
    436.37x = 247,442.71
  5. Step 5: Solve for x
    x = 247,442.71/436.37
  6. Step 6: Final answer
    x = 567.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.