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Finding the Fourth Proportional to 598.68, 896.80 and 378.60

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Solution

The fourth proportional to 598.68, 896.80 and 378.60 is: 567.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.68 : 896.80 = 378.60 : x
  2. Step 2: Convert to fraction form
    598.68/896.80 = 378.60/x
  3. Step 3: Cross multiply
    598.68x = 896.80 × 378.60
  4. Step 4: Simplify right side
    598.68x = 339,528.48
  5. Step 5: Solve for x
    x = 339,528.48/598.68
  6. Step 6: Final answer
    x = 567.13

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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.