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Finding the Fourth Proportional to 468.18, 702.07 and 159.98

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Solution

The fourth proportional to 468.18, 702.07 and 159.98 is: 239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.18 : 702.07 = 159.98 : x
  2. Step 2: Convert to fraction form
    468.18/702.07 = 159.98/x
  3. Step 3: Cross multiply
    468.18x = 702.07 × 159.98
  4. Step 4: Simplify right side
    468.18x = 112,313.25
  5. Step 5: Solve for x
    x = 112,313.25/468.18
  6. Step 6: Final answer
    x = 239.89

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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.