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Finding the Fourth Proportional to 630.45, 950.04 and 540.32

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Solution

The fourth proportional to 630.45, 950.04 and 540.32 is: 814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.45 : 950.04 = 540.32 : x
  2. Step 2: Convert to fraction form
    630.45/950.04 = 540.32/x
  3. Step 3: Cross multiply
    630.45x = 950.04 × 540.32
  4. Step 4: Simplify right side
    630.45x = 513,320.86
  5. Step 5: Solve for x
    x = 513,320.86/630.45
  6. Step 6: Final answer
    x = 814.21

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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.