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Finding the Fourth Proportional to 670.93, 1,006.68 and 363.00

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Solution

The fourth proportional to 670.93, 1,006.68 and 363.00 is: 544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    670.93 : 1,006.68 = 363.00 : x
  2. Step 2: Convert to fraction form
    670.93/1,006.68 = 363.00/x
  3. Step 3: Cross multiply
    670.93x = 1,006.68 × 363.00
  4. Step 4: Simplify right side
    670.93x = 365,423.29
  5. Step 5: Solve for x
    x = 365,423.29/670.93
  6. Step 6: Final answer
    x = 544.65

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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.