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Finding the Fourth Proportional to 403.02, 600.84 and 375.66

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Solution

The fourth proportional to 403.02, 600.84 and 375.66 is: 560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.02 : 600.84 = 375.66 : x
  2. Step 2: Convert to fraction form
    403.02/600.84 = 375.66/x
  3. Step 3: Cross multiply
    403.02x = 600.84 × 375.66
  4. Step 4: Simplify right side
    403.02x = 225,711.55
  5. Step 5: Solve for x
    x = 225,711.55/403.02
  6. Step 6: Final answer
    x = 560.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.