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Finding the Fourth Proportional to 436.62, 602.55 and 240.15

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Solution

The fourth proportional to 436.62, 602.55 and 240.15 is: 331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.62 : 602.55 = 240.15 : x
  2. Step 2: Convert to fraction form
    436.62/602.55 = 240.15/x
  3. Step 3: Cross multiply
    436.62x = 602.55 × 240.15
  4. Step 4: Simplify right side
    436.62x = 144,702.38
  5. Step 5: Solve for x
    x = 144,702.38/436.62
  6. Step 6: Final answer
    x = 331.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.