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Finding the Fourth Proportional to 350.66, 528.40 and 334.46

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Solution

The fourth proportional to 350.66, 528.40 and 334.46 is: 503.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.66 : 528.40 = 334.46 : x
  2. Step 2: Convert to fraction form
    350.66/528.40 = 334.46/x
  3. Step 3: Cross multiply
    350.66x = 528.40 × 334.46
  4. Step 4: Simplify right side
    350.66x = 176,728.66
  5. Step 5: Solve for x
    x = 176,728.66/350.66
  6. Step 6: Final answer
    x = 503.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.