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Finding the Fourth Proportional to 599.40, 896.40 and 502.20

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Solution

The fourth proportional to 599.40, 896.40 and 502.20 is: 751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.40 : 896.40 = 502.20 : x
  2. Step 2: Convert to fraction form
    599.40/896.40 = 502.20/x
  3. Step 3: Cross multiply
    599.40x = 896.40 × 502.20
  4. Step 4: Simplify right side
    599.40x = 450,172.08
  5. Step 5: Solve for x
    x = 450,172.08/599.40
  6. Step 6: Final answer
    x = 751.04

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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.