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Finding the Fourth Proportional to 373.32, 563.22 and 356.40

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Solution

The fourth proportional to 373.32, 563.22 and 356.40 is: 537.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.32 : 563.22 = 356.40 : x
  2. Step 2: Convert to fraction form
    373.32/563.22 = 356.40/x
  3. Step 3: Cross multiply
    373.32x = 563.22 × 356.40
  4. Step 4: Simplify right side
    373.32x = 200,731.61
  5. Step 5: Solve for x
    x = 200,731.61/373.32
  6. Step 6: Final answer
    x = 537.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.