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Finding the Fourth Proportional to 602.61, 902.43 and 465.90

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Solution

The fourth proportional to 602.61, 902.43 and 465.90 is: 697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.61 : 902.43 = 465.90 : x
  2. Step 2: Convert to fraction form
    602.61/902.43 = 465.90/x
  3. Step 3: Cross multiply
    602.61x = 902.43 × 465.90
  4. Step 4: Simplify right side
    602.61x = 420,442.14
  5. Step 5: Solve for x
    x = 420,442.14/602.61
  6. Step 6: Final answer
    x = 697.70

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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.