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Finding the Fourth Proportional to 570.13, 786.89 and 334.13

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Solution

The fourth proportional to 570.13, 786.89 and 334.13 is: 461.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    570.13 : 786.89 = 334.13 : x
  2. Step 2: Convert to fraction form
    570.13/786.89 = 334.13/x
  3. Step 3: Cross multiply
    570.13x = 786.89 × 334.13
  4. Step 4: Simplify right side
    570.13x = 262,923.56
  5. Step 5: Solve for x
    x = 262,923.56/570.13
  6. Step 6: Final answer
    x = 461.16

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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.