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Finding the Fourth Proportional to 436.74, 651.25 and 376.26

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Solution

The fourth proportional to 436.74, 651.25 and 376.26 is: 561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.74 : 651.25 = 376.26 : x
  2. Step 2: Convert to fraction form
    436.74/651.25 = 376.26/x
  3. Step 3: Cross multiply
    436.74x = 651.25 × 376.26
  4. Step 4: Simplify right side
    436.74x = 245,039.33
  5. Step 5: Solve for x
    x = 245,039.33/436.74
  6. Step 6: Final answer
    x = 561.06

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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.