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Finding the Fourth Proportional to 505.36, 752.29 and 502.62

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Solution

The fourth proportional to 505.36, 752.29 and 502.62 is: 748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    505.36 : 752.29 = 502.62 : x
  2. Step 2: Convert to fraction form
    505.36/752.29 = 502.62/x
  3. Step 3: Cross multiply
    505.36x = 752.29 × 502.62
  4. Step 4: Simplify right side
    505.36x = 378,116.00
  5. Step 5: Solve for x
    x = 378,116.00/505.36
  6. Step 6: Final answer
    x = 748.21

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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.