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Finding the Fourth Proportional to 630.12, 943.74 and 566.76

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Solution

The fourth proportional to 630.12, 943.74 and 566.76 is: 848.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.12 : 943.74 = 566.76 : x
  2. Step 2: Convert to fraction form
    630.12/943.74 = 566.76/x
  3. Step 3: Cross multiply
    630.12x = 943.74 × 566.76
  4. Step 4: Simplify right side
    630.12x = 534,874.08
  5. Step 5: Solve for x
    x = 534,874.08/630.12
  6. Step 6: Final answer
    x = 848.84

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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.