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Finding the Fourth Proportional to 469.13, 703.08 and 346.41

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Solution

The fourth proportional to 469.13, 703.08 and 346.41 is: 519.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.13 : 703.08 = 346.41 : x
  2. Step 2: Convert to fraction form
    469.13/703.08 = 346.41/x
  3. Step 3: Cross multiply
    469.13x = 703.08 × 346.41
  4. Step 4: Simplify right side
    469.13x = 243,553.94
  5. Step 5: Solve for x
    x = 243,553.94/469.13
  6. Step 6: Final answer
    x = 519.17

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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.