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Finding the Fourth Proportional to 505.30, 754.32 and 466.34

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Solution

The fourth proportional to 505.30, 754.32 and 466.34 is: 696.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    505.30 : 754.32 = 466.34 : x
  2. Step 2: Convert to fraction form
    505.30/754.32 = 466.34/x
  3. Step 3: Cross multiply
    505.30x = 754.32 × 466.34
  4. Step 4: Simplify right side
    505.30x = 351,769.59
  5. Step 5: Solve for x
    x = 351,769.59/505.30
  6. Step 6: Final answer
    x = 696.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.