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Finding the Fourth Proportional to 666.18, 996.24 and 510.02

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Solution

The fourth proportional to 666.18, 996.24 and 510.02 is: 762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    666.18 : 996.24 = 510.02 : x
  2. Step 2: Convert to fraction form
    666.18/996.24 = 510.02/x
  3. Step 3: Cross multiply
    666.18x = 996.24 × 510.02
  4. Step 4: Simplify right side
    666.18x = 508,102.32
  5. Step 5: Solve for x
    x = 508,102.32/666.18
  6. Step 6: Final answer
    x = 762.71

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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.