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Finding the Fourth Proportional to 346.02, 476.19 and 322.26

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Solution

The fourth proportional to 346.02, 476.19 and 322.26 is: 443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.02 : 476.19 = 322.26 : x
  2. Step 2: Convert to fraction form
    346.02/476.19 = 322.26/x
  3. Step 3: Cross multiply
    346.02x = 476.19 × 322.26
  4. Step 4: Simplify right side
    346.02x = 153,456.99
  5. Step 5: Solve for x
    x = 153,456.99/346.02
  6. Step 6: Final answer
    x = 443.49

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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.