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Finding the Fourth Proportional to 589.88, 888.25 and 436.89

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Solution

The fourth proportional to 589.88, 888.25 and 436.89 is: 657.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.88 : 888.25 = 436.89 : x
  2. Step 2: Convert to fraction form
    589.88/888.25 = 436.89/x
  3. Step 3: Cross multiply
    589.88x = 888.25 × 436.89
  4. Step 4: Simplify right side
    589.88x = 388,066.45
  5. Step 5: Solve for x
    x = 388,066.45/589.88
  6. Step 6: Final answer
    x = 657.88

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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.