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Finding the Fourth Proportional to 598.79, 897.84 and 338.66

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Solution

The fourth proportional to 598.79, 897.84 and 338.66 is: 507.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.79 : 897.84 = 338.66 : x
  2. Step 2: Convert to fraction form
    598.79/897.84 = 338.66/x
  3. Step 3: Cross multiply
    598.79x = 897.84 × 338.66
  4. Step 4: Simplify right side
    598.79x = 304,062.49
  5. Step 5: Solve for x
    x = 304,062.49/598.79
  6. Step 6: Final answer
    x = 507.79

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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.