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Finding the Fourth Proportional to 341.16, 469.68 and 322.92

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Solution

The fourth proportional to 341.16, 469.68 and 322.92 is: 444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.16 : 469.68 = 322.92 : x
  2. Step 2: Convert to fraction form
    341.16/469.68 = 322.92/x
  3. Step 3: Cross multiply
    341.16x = 469.68 × 322.92
  4. Step 4: Simplify right side
    341.16x = 151,669.07
  5. Step 5: Solve for x
    x = 151,669.07/341.16
  6. Step 6: Final answer
    x = 444.57

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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.