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Finding the Fourth Proportional to 343.01, 473.35 and 185.64

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Solution

The fourth proportional to 343.01, 473.35 and 185.64 is: 256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.01 : 473.35 = 185.64 : x
  2. Step 2: Convert to fraction form
    343.01/473.35 = 185.64/x
  3. Step 3: Cross multiply
    343.01x = 473.35 × 185.64
  4. Step 4: Simplify right side
    343.01x = 87,871.41
  5. Step 5: Solve for x
    x = 87,871.41/343.01
  6. Step 6: Final answer
    x = 256.18

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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.