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Finding the Fourth Proportional to 608.44, 907.25 and 561.16

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Solution

The fourth proportional to 608.44, 907.25 and 561.16 is: 836.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.44 : 907.25 = 561.16 : x
  2. Step 2: Convert to fraction form
    608.44/907.25 = 561.16/x
  3. Step 3: Cross multiply
    608.44x = 907.25 × 561.16
  4. Step 4: Simplify right side
    608.44x = 509,112.41
  5. Step 5: Solve for x
    x = 509,112.41/608.44
  6. Step 6: Final answer
    x = 836.75

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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.