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Finding the Fourth Proportional to 313.36, 466.97 and 303.58

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Solution

The fourth proportional to 313.36, 466.97 and 303.58 is: 452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313.36 : 466.97 = 303.58 : x
  2. Step 2: Convert to fraction form
    313.36/466.97 = 303.58/x
  3. Step 3: Cross multiply
    313.36x = 466.97 × 303.58
  4. Step 4: Simplify right side
    313.36x = 141,762.75
  5. Step 5: Solve for x
    x = 141,762.75/313.36
  6. Step 6: Final answer
    x = 452.40

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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.