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Finding the Fourth Proportional to 598.84, 897.63 and 393.56

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Solution

The fourth proportional to 598.84, 897.63 and 393.56 is: 589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.84 : 897.63 = 393.56 : x
  2. Step 2: Convert to fraction form
    598.84/897.63 = 393.56/x
  3. Step 3: Cross multiply
    598.84x = 897.63 × 393.56
  4. Step 4: Simplify right side
    598.84x = 353,270.88
  5. Step 5: Solve for x
    x = 353,270.88/598.84
  6. Step 6: Final answer
    x = 589.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.