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Finding the Fourth Proportional to 598.41, 897.27 and 208.20

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Solution

The fourth proportional to 598.41, 897.27 and 208.20 is: 312.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.41 : 897.27 = 208.20 : x
  2. Step 2: Convert to fraction form
    598.41/897.27 = 208.20/x
  3. Step 3: Cross multiply
    598.41x = 897.27 × 208.20
  4. Step 4: Simplify right side
    598.41x = 186,811.61
  5. Step 5: Solve for x
    x = 186,811.61/598.41
  6. Step 6: Final answer
    x = 312.18

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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.